The problem is they took a healthy user base and injected hate speech into it. People thinking they need to preserve the space didn't get the message that they need to get out, so now elon is free to subjugate them. Now you have multiple entrenched sides that will erode at each other's goodwill until it blossoms into contempt and the cycle of human suffering continues.
At the same time other platforms can't thrive because they are overshadowed by the suffering machine.