>"oh you're mad at me? That means I'm right"
This, and that default genre of emotionally retarded mocking of individuals and groups that goes over the line from "critique using humor" to just "making fun of somebody" (exemplified nowadays by pepe and wojack), are both hallmarks of the hyper-low-quality bickering the masses have always engaged in on the internet, often stemming from a disagreement about something petty.
Now, that style of interaction is common not just for adult children arguing about fantasy lore, but for public discourse about political and social issues, for the CEO of Twitter, for US presidents. In fact, it's not just common - it's popular, and many people see Elon's behavior (not just his executive decisions - his behavior) as a good thing (given the prerequisite perception that those targeted by that behavior are primarily members of their social enemy group(s)). Given this, I wouldn't be so sure about the scale of the negative consequences for Elon/Twitter.
I know - people have always been shitty and petty to each other about things like politics. But there's something terrifying about it reaching this particular tier on the immaturity scale.