If you aren't in the foreign or 0 to hero flight training market, there isn't enough demand to keep a mom and pop flight school going. The costs and dedication are too prohibitive for most people to pick it up as a hobby.
While I hate to quote marketing conditions, failure to market flying correctly is certainly one of the reasons.
Money isn't an issue...many people pay a buttload of money to tennis pros, golf pros, personal trainers and what not. $90-100/hr and think nothing of it.
The problem is the "flying as a hobby" environment was never all that super deluxe to begin with. In the past, the old busted couch & shirt tails on the wall made of fake wood paneling in the shack attached to a hangar at least had a certain amount of quaint charm to it (if you could call it that), but at least you could drive up to the hangar and walk out to the flight line without passing through ominous layers of fencing with razor wire on the top.
These days, most places I've seen are in a hopelessly bland office in a strip mall, devoid of ANYTHING that speaks to the romance of flying (no, a 737 cockpit posted does not count), and you need to take a golf cart to get to the airplane while everyone gives you the stink eye. Causal interacting (AKA hangar rats) of customers is definitely NOT encouraged, and that eliminated a huge part of the social aspect which, consciously or unconsciously, is very important to people.
Granted...people are a little whiney these days, and getting into a un-air conditioned 152 probably looks a bit sad when they roll up in their Lexus. If there was one thing to change, that would be it, even if it was one of those ice cooler things in the back.
If I had my way, I'd have a fleet of Champs operating out of a Quonset hut on a grass strip, but hey, that's me. "Movie night at the hangar" would be a weekly event.
There is a way to blend the old with new, but there is an art to it...but judging how most pilots dress, that gene is definitely lacking in the pilot population at large.
Richman