Of course it screams mental illness. This is what happens where people are harassed and belittled constantly. Mental trouble can be and often is caused by external factors. It is called trauma. I've experienced trauma. It makes you do stuff that "screams mental illness" because of course you are not well. You are actively being destroyed from the inside.
I'd argue the two things are different in the fact that in this case Madison is talking about direct actions by LMG employees, not the channel's fanbase.
Greed and the pursuit of profits and "success" are poisonous as all hell. Fuck that system.