Lemmy technically doesn’t hide your likes - the interface might not show you, but all your likes are public in the Fediverse. Kbin, when I used it, would show which users upvoted/downvoted a post. That’s important because it means researchers and OSI people can still do fact finding - Twitter doesn’t like the idea of having to be open even if it’s a requirement (albeit to researchers specifically) in the EU now.
Will they really be more isolationist?
The current President of Brazil (Lula) was intentionally delayed the ability to run as president against the far-right Bolsonaro, with the help of the CIA under Trump’s years.[1] Another Coup attempt in 2020 partly by Silvercorp USA, which just happened to provide security for Trump a few years earlier while Trump put a $15 million bounty on the person (Maduro) who was targeted by the Coup.[2]
I’m not so sure we’ll see less political interference in the rest world the world.
[1]: https://en.wikipedia.org/wiki/Operation_Car_Wash#Leaked_conversations
[2]: https://en.wikipedia.org/wiki/Operation_Gideon_(2020)