Usually, posting on Twitter or quitting it has a very tiny, almost imperceptible effect on the larger world and it's certainly not something to get worked up about.
That's reversing the argument. I'm not saying quitting X is bad for X, I'm saying quitting X is good for you. Nobody's completely immune to whatever that sociological experiment is turning into and staying on X is likely to influence your ethics, morals and standards in an objectively negative way.
