While I could say "good for Twitter", I see this as a preemptive strike on the part of Twitter.
These platforms have weaselled their way out of having to accept any responsibility whatsoever for much of the bilge, bile, arrant nonsense and downright - and destabilising - lies they have allowed to be broadcast and transmitted via their platforms.
When this was just private venting and ranting, of a few obscure (deservedly so) lunatic fringe groups (of course, it is aways instructive to see from which particular part of the lunatic fringe, the lunatics break out) it could be easily defended as "permitting free speech."
However, when such gross irresponsibility threatens democratic institutions, the validity of democratic elections, and the existence of democratically elected governments, then, it becomes an existential threat, and will need to be dealt with.
Whatever about the US, I will be astounded if the EU - which has a superb track record in regulating markets in goods and services - does not move to put manners (and some sense of accountability and oversight) onto these tech platforms over the coming years.
