Madam Breakneck I'm afraid your comment doesn't stack up IMO
Ah, but was it meant to? The theory is that flying instructors don't need a viable business to work for, just one that's still operating . Students ideally need one which will last long enough for them to achieve whatever licence or rating they're after. Somebody will have sold the school an aircraft or two and as long as they are paid for, they don't care about the school's business model.
So, instructors get work, second hand aircraft have a sales channel, students get flying at less than true cost, and the business operator runs on hope for as long as the money lasts. Seems reasonable to me, hence the old joke - how do you make a small fortune in aviation? Start with...

MadamB