Yes it is. Polarization is increasing in a lot of countries, and there is heavy criticism. But while US news are exposed to the rest of the world, news from EU countries aren't as much. That's why you don't see "Facebook is damaging democracy" takes from EU countries. At least from what I see in Spain (I can't speak for other countries because I don't read french or german or dutch news) the debate on Facebook (and other social media platforms) effect on democracy is growing bigger each day, specially now with the COVID pandemic.