Maybe it was a foreign anti-European bot. Silencing topics with vote manipulation is so easy. Another topic, technocracy, seems to get downvotes for every post. Someone should make a list of topics under attack on Lemmy.
The whole community used to be suspect, a namewaster, might have been led by an anti-Eurofederalist. Most posts had nothing to do with Eurofederalism until 3 months ago when the news spamming bot was banned. Moderators seem to have changed recently.
The description still calls this a "subreddit".