I think that's a valid concern if your main goal is to create a social network, but less so if you're trying to create a reliable and trustworthy organ for government communication.
> Where did I mention Elon?
This:
> > Why don't they buy a considerable stake in these American social media companies instead of trying to reinvent the wheel that is deflating as soon as it launches.
does not refer explicitly to Elon, but Twitter is a much more common organ of government communication than any other big American social-media company, so it seems disingenuous to pretend that this wasn't at least suggestive of buying a considerable stake in Twitter (and so giving money, indirectly, to Elon).