Except they're not thrown in gulags, persecuted, or even inconvenienced. Quite a few self-proclaimed socialists and marxists I know, with public blogs and other hallmarks of modern political activism, work for large corporations. No one cares.

I live in Poland, a post-communist country. Just yesterday I heard an interview on (public) radio with some (state-sponsored) university professor arguing that life was better under the previous system. No one cares.

There is proper thoughtcrime, like racism, or denying holocaust that can get you in trouble, fired, even arrested. But that is still really mild compared to 1984 or 1984.