Perhaps Noam Chomsky should stop drawing a salary from those tuition-paying students.

As a professor emeritus at MIT, he doesn't. [0] It isn't clear how much faculty salaries contribute to the problem anyway, so I don't think it's hypocritical for professors critiquing tuition increases to accept a salary.

[0]: http://web.mit.edu/policies/2/2.3.html#sub1