We're certainly seeing unprecedented crowd levels these days. A moderately busy day in the late 00's to early 10's is now a "light" day. There are basically no slow days anymore where everything is walk-on. This is further hindered by the fact that Disney has tirelessly ensured that slow seasons don't really exist anymore, as crowd levels are spread more evenly throughout the year. Your best bet for low crowds these days would be September after Labor Day and Late January through mid February, and even then, it's a few days here and there at best.
At this point I think another recession is the only thing that will stop it, as clearly raising prices and charging for more things has not been enough.
I completely disagree about the recession. Less money for the park, and less foot traffic means less investment, understaffing, and underbuilt parks. People may not like the idea of crowds, but with more demand comes a more rich spectrum of options, more rides, more investment, more capacity, and longer hours.
I totally disagree with your opinion that the park is never dead. I take 20+ gate trips per year, and over half of them its just not that crowded. Even some dead days. I've been when Haunted Mansion and Tower of Terror post 13 minute wait times (AKA its a walk on), I've heard of friends who could lay down on Main Street to watch the fireworks, and I've had sub 15 minute waits in 7DMT. Slinky Dog and 7DMT are so easy to get FP+ for on the day of its not even funny. Honestly, Disney is just never that bad Monday-Thursday during the traditional school year unless something major is going on.
I'd advice going during the middle of the week during the traditional school year and to really work on a great FP+ lineup, and make sure to continue to book after your first three. Also, unlike most parks that start slow and pick up steam, Disney starts fast, but gets dead later in the day. If you get to the park later and stay until close, you're in good shape (maybe outside of Friday-Saturday).
All in all, I think that the later hours, 365 operations, and adequate staffing help make Disney manageable if you know when to go.