everyone to condemn instead of being covered up by the Greek system and Universities.

People are just starting to take it seriously.

Tuition increases are in response to cuts in funding from state legislatures.

Do you have any evidence admission standards have loosened, particularly at the universities with the high-profile frat problems?
Lastly, do you have any evidence that the frat boys, often children of the elite, have benefited from lowered admission standards?

Additionally, the recent expulsions would contradict your assertion about the payee wielding more leverage.
The average parent or student paying tuition doesn't have leverage. Big donors certainly can, but you haven't shown us anything to demonstrate that there is any correlation with bad behavior by fraternities.

time and socioeconomic boundaries.

the form and location may change but idiocy is idiocy.

Their brand perception is what allows them to charge whatever the hell they charge.

Much of that brand is often based on the performance of the football team or on successful and well-connected alumni.

Statistically the people who place the most value on a college degree are those most likely to face discrimination in the workplace:



So in the big picture, colleges are profiting from discrimination in the general populace; and from their football teams which are now the subject of lawsuits by students who got scholarships but became unpaid employees of the University and often leave with no degree:

http://deadspin.com/lawsuit-ncaa-athletics-violate-labor-laws-1650554659

No job no brand.

Fewer jobs = more competition and therefore a greater value placed on perceived qualifications and brand. I think the graph shows that dynamic.