For me, arriving at 11 PM, sleeping in my car at a trailhead and starting a hike at 5 AM doesn't make sense. I much prefer to arrive earlier, stay at a WMNF or state campground or hike a few miles into the woods to camp. That way, I don't have to worry about being kicked out at 2 AM by the authorities. There are also a few trailheads where I've found decent tentsites about 1/4 mile away and I'll stay at those when convenient.
With the demise of joints like Hikers Paradise, and the high cost of AMC accommodations, trampers have few alternatives if they want a cheap place to crash the night before a hike.
Dormitory lodging seems a difficult business to sustain. But a clean, well run and inexpensive operation might succeed. Use your own sleeping, have access to a bathroom and get up early and go.
The AMC is the logical entity to run such an operation: A dorm in Gorham, another in Twin Mountain and maybe a third in Bartlett. $15 a night with free ear plugs. Two night maximum.
Am I crazy or what?