The idea that these things can be stopped by censoring "toxic ideas" is the false premise that both the New Yorker and Facebook state as their primary justification for expanding their power. They miss the point of the 1st amendment entirely, and hint at it being an inconvenience to progress instead of a cherished human right. They act like the demands of censors to remove speech deserve equal consideration to those who want their speech rights preserved. But the idea that free speech is a human right doesn't mean we stop at first ammendment protections from government censorship, it should be extended in sentiment to any position of power. The idea that either the author or the company is treating the censorship of a world leader supported by over 70 million people as something that should be debated by "high-minded" people suggests that they have already abandoned the concept of free speech as a human right.
Free speech is important in part because, to the contrary, it cools extremism. When elites stamp out speech, they don't eliminate the ideas, they make those individuals more desperate and disillusioned with society. They hamper the abilities of like-minded communities to deescalate radicalism. They remove the ability of radicals to vent, where they can feel like they're making a difference with words instead of violence.
It's deeply disturbing to see that the people living in New York and California, especially those in power, seem to have less of an appreciation for the principle of free speech than those abroad. I think the time where America was a world bastion for free speech is over. Only thing in their way is that pesky 1st amendment.