Not only that, but MediaWiki is FOSS, and all existing content on all Wikimedia Foundation (except for a relative few kept on fair use grounds) is at most as restrictive as CC BY-SA 4.0. So you’d have whatever exists on Wikipedia currently (plus Wiktionary, Wikimedia Commons, Wikispecies, etc., keeping in mind too that there are many Wikipedias besides English) plus the software that interacts with that data, other countries which haven’t fully descended into fascism, the members of the Wikimedia Foundation, a bunch of pissed-off editors, and a pissed-off public… I think a new, substantially similar non-profit would crop up in the UK etc., and very few things would have to change about the content that’s on the platform (where the UK has more restrictive speech laws).
Not only that, but MediaWiki is FOSS, and all existing content on all Wikimedia Foundation (except for a relative few kept on fair use grounds) is at most as restrictive as CC BY-SA 4.0. So you’d have whatever exists on Wikipedia currently (plus Wiktionary, Wikimedia Commons, Wikispecies, etc., keeping in mind too that there are many Wikipedias besides English) plus the software that interacts with that data, other countries which haven’t fully descended into fascism, the members of the Wikimedia Foundation, a bunch of pissed-off editors, and a pissed-off public… I think a new, substantially similar non-profit would crop up in the UK etc., and very few things would have to change about the content that’s on the platform (where the UK has more restrictive speech laws).