Dialing 911 in the EU can redirect you to 112, though I don't know how that redirection works. It's worth knowing the local emergency numbers in any case
I think Pinboard is more likely to buy Twitter. And honestly this might not be the worst thing that could happen to it. Not sure if Maciej will be keen however.
Organizations (mostly) don't self-perpetuate through sexual reproduction. It's perfectly possible for the VHEMT to expand if they manage to convince enough people.
I thought it would have been obvious to anyone that this is satire, but then again I know that it was explicitly presented as such the first time I read this text so I'm probably biased.