The chance the employer has credible knowledge of guilt is extremely slim.
All we can do is assume they didn't make the decision lightly. Adult Swim is clearly a lot closer to this situation than any of us in this thread, and to pretend that any of us may know better than them in regards to this is just wild (and, really, you're doing the same thing you say they are - accusing them of something without proof).
You play the "oh I don't know anything game" while simultaneously saying we should assume your viewpoint. Clearly you do think you know something and the know-nothing defense is some kind of Schrodinger's cat scenario where you know something when it's time to make assumptions and don't know when someone else does.
Because they're potentially shooting their cash cow and probably the most popular show they've ever had in the head. If you don't believe in their values than at least believe that they are 100% considering the financial implications of doing this.