And I did have experience with wheelies and ECV's and guess what no GAC and no problem. Don't know what to tell you. Maybe things have changed since 2008, the last time I was involved in that way, but, it sure isn't what everyone else has been reporting. And it still doesn't mean that the DAS card won't be able to accommodate you in the manner that you need.
I've been coming to WDW 3 times a year since 2005 (before that it was once a year 2001-2004). My trips are 2-3 weeks in Feb/Mar or April/May, another 3 weeks in Sep/Oct and 4 days over NYE. That included 2008 when you were here using a chair. I daresay I put in far more hours dealing with wheelie issues than you did, not just 5 years ago but including today. I'm always looking for trouble spots so I can adequately plan for them and minimize their impact on my time here.
I'm just telling you things are not as easy as you think. GAC was one program that made things more even and doable. The abusers really didn't impact me because they never had to use my accessible vehicle. They wouldn't want to wait for it anyway. Only exception was TSM which makes all guests use the same vehicles. But then you traded that annoyance for the benefit of not having to fight for a FP.
FYI... the attraction I work that has a non-transfer vehicle we do not require those coming in the W/C que to have a GAC card.
I'd love to know which attraction that is. I'm repeatedly told I need a GAC to enter the w/c queue unless I have a FP or get there by way of Standby. (I use Standby for Pooh or Buzz if the Standby is 15 mins or less.) It's happened so many times over the years I just don't question it anymore.
I didn't get a GAC the first few years it was offered because I figured it was meant for folks with hidden disabilities and my wheelchair was enough to signify I had mobility needs. Then CMs told me I absolutely needed the GAC because too many people rented or borrowed wheelchairs to fake access. I mentioned how I was turned away from the wheelchair viewing spot in Germany because I hadn't shown my GAC. That really surprised me since it's marked on the map and the spot itself.
Or is this IASW? That one you go part of the line in Standby then proceed to the wheelchair queue. I got stuck in that last February. The wait 10 times as long as Standby. Took me forever to get out of it because I got stuck between guests in front, guests behind and a metal fence to the sides of me. Now I avoid it if I cannot see how long the wheelchair line is.
As far as I know the attractions with wheelchair vehicles in WDW are: IASW, Pooh, Buzz, Little Mermaid, Magic Carpets, Jungle Cruise, Finding Nemo, TSM, Mexico, Figment, Living the Land, Great Movie Ride, Kilamanjaro Safari, Backlot Tour (a section on every tram). Of those Jungle Cruise has the only separate wheelchair entry. You're held at the exit for the next available boat. They'll tell you to wait an extra X many minutes to "be fair to the Standby queue", but it seems like they're really just waiting for that wheelchair boat to cycle around. Then they load you at the exit and pick up more folks from Standby to fill it up.
Used to be you'd go to all the rides like that. Report to the CM greeter and be directed to a separate loading area to wait. They gradually did away with that when the FP system set in taking up the space and GAC became the guidepost to get wheelies to that accessible vehicle line.
But universal also doesn't have 1/6th of their guests using their disability access service.
For good reason. They have far fewer accessible rides and the customer service sucks. I tried Universal once. When my foot got stuck trying to transfer into a motion ride vehicle after all the other able-bodied guests had been loaded giving me less space to work with, the Universal CM's solution was to grab my leg and try to force my foot inside the vehicle. Talk about pain. I still think about that whenever we contemplate a trip there. Do I really want to pay someone to treat me like a thing to be shoved around?
SeaWorld is much better. They don't charge you for the things you cannot do and have ride vehicles that are even more accessible than Disney for slide-transfers. No assistance cards required because when there is a need to separate out wheelchair guests they do it through separate lines and areas. I've been very impressed with how they treat the disabled last few years. A day there is very enjoyable to me and I do absolutely none of the thrill rides. Just shows, animal viewing and Antarctica. I got a 2 yr Annual Pass so I could spend my first few vacation days there.
Busch Gardens Williamsburg offers the same accommodations but it has more thrill rides I cannot do and fewer animals. Makes me not as interested in going back. But I will say they've always tried to be very helpful to me. I once got stuck on their river rapids ride when a CM hit the emergency stop and the ride drained of water. Everyone was evacuated while they reset it. I happened to be in the ride just before the regular exit zone. Getting me out required a lot of lifting, a wheelchair and 2 burly guys carrying me up and over the staircase loading queue. Only bad part was when some Standby guests mistakenly assumed the ride had stopped because I was being taken off it. Got more than a few choice words thrown my way during that parade. I just laughed it off to clear the tension. The managers were so embarrassed and incensed they gave me a pass to come back another day.