It was all terms that hardly had vowels.

This Linux community needs to chill out a bit 😊

Speak English 😁

I went through this recently.

They monitor you if you’ve been to certain videos and check your comment history. If they feel you’re commenting too much towards a side (I’m guessing right wing), they delete your posts right away.

It could also be the video creator themselves, or the mods they hire to filter comments.

Key words also trigger their system and put you on their watch list.