How dare you be so dismissive. I USED THE CAPS LOCK.
To some people, that might really be part of their whole expected experience (pet cemetery, crypts, etc.). Others might have the "Just get me on the DoomBuggy as quickly as possible" mentality. There have been plenty of unresolved discussions as to where the queue ends, and where the attraction begins.
(In another thread I believe I've basically already gone on record. I feel a little sad and disappointed if If I'm not led into that side foyer and the door doesn't shut behind me prior to the spiel beginning.)
Now, take a breath, step back, and put yourself in an average guest's shoes. You've been in a slow-moving line for likely more than 30 minutes. Management realizes that due to the current, restricted conditions, several vehicles are dispatching empty, so they invoke this secondary plan to increase throughput. Somewhere up ahead of you, a willing and well-informed group takes them up on their offer to enter through the chicken exit, which then decreases your wait time in the switch-backs.
Do you honestly see this as a problem for yourself?