Earlier quoted context omitted.
Sometimes people register new accounts on websites with the sole purpose of sharing their opinion that their displeasure with trans folks is based in some sort of fact-based higher understanding of reality. There is no explanation why they feel the need to show up out of nowhere, but often times they are parroting an off-the-shelf set of edgy opinions that one can pick up off 4chan/Kiwifarms and use as a personality.…
Sometimes people register new accounts so they don't get doxxed for dissenting on controversial topics.
This makes sense because they’re usually not actually expressing personally-held opinions, they are performing a cathartic act of being contrarian in order to cement their position as being both smarter than average and signaling that they’re part of an orthodox group. It’s a lazy performance of disgust for the sake of attention.
To further respond to your original question, these people that value performing disgust using pre-digested replacements for personalities can sometimes become dangerous! And there are a lot of them!