Considering the draconian policies in the UK, Germany etc where people are arrested based on their social media posts criticizing the government or its officials or anything the govt doesn't agree with, I am not sure what exactly is the selling point here of using a social media platform built/hosted in Europe.
Sources: German police arrest author over tweets criticising Netanyahu https://www.yahoo.com/news/articles/german-police-arrest-aut...
German police raid home of social media user over civil servant 'parasite' post Man's house searched at dawn after criticizing tax system and government workers on social media; lawyer calls actions 'absurd and illegal' https://www.aa.com.tr/en/europe/german-police-raid-home-of-s...