This is laughable, even with your depiction of the events. The candidate in question (Georgescu) had a very popular platform, and was supported by a large bases or Romanians on the left and right.

He was, however, opposed to further expansion of NATO.

If these ideas are too scary to let general public even consider, then democracies have to step in and censor the media. And that begins by banning TikTok, the largest platform where a narrative like this can bypass the existing power structures.