[Matrixbeast]

Also doesn't help that they were the faces of a smash hit, soon-to-be billion dollar phenomenon, and they were being paid pennies.

They disagreed on the salary offer for the 3rd season, as by this point the cast was well aware of the money the show was making, as well as having to film the movie that was soon entering production (Which they would've gotten paid for separately, yes, but still, it's a lot of fucking work)

They made the common play to threaten to walk if the pay wasn't raised, as the assumption was that production wasn't going to let half the cast disappear overnight.
Turns out, Saban was 100% willing to do just that and just fire them outright.