Would banning the voting half of the pseudonymous account not mitigate the immediate issue? Then asking their instance admin to later lookup and ban the associated commentating account.

unfortunately their current style guide results in this headline.

Yeah, not sure the UK Labour party are going to be receptive to a free speech argument, given recent events. If anything, an updated law might make X liable for the real-world problems it causes.

Politicians and public should consider quitting X, says Liverpool mayor

“The time is approaching where we’ve got to all examine whether we should, en masse, withdraw from it and for there to be a different platform”