They were cancelled because it turns out the schools were scams. So it was a situation where the students got into a lot of debt, and got nothing(like an education or a worthwhile diploma) in return.
Do you think the schools aren't punished for being scams, and they're just free to keep scamming students? And debt relief helps the debtor, not the original receiver of the funds.
> On August 25, 2016, the U.S. Department of Education banned ITT Tech from enrolling students who receive federal aid. The Department also doubled the surety funds that ITT Tech was required to have, and to produce those funds within 30 days. Stock markets reacted with a punishing 35% drop, which triggered a halt in trading, raising concerns about whether ITT Educational would be able to survive this latest decision.[73] On September 6, 2016, ITT Tech ceased operations and closed all of its locations, issuing a statement that attributed the closing to the Department of Education's actions.[28]