Even if the claims are true, which from what I’ve read there isn’t much evidence at all

There is plenty of evidence, but maybe you need a refresher.

Archival link (haaretz): https://archive.is/sRK4M

Warning, graphical content: https://www.7thofoctober.com/

Denying the events of October 7th is comparable to denying the events of 9/11. Both terrible events, which traumatized an entire people and caused wars where a much greater number of people got hurt and died. Yet, attempting to deny or trivialize the origin event is a surefire way to make those affected by it not listen to another word of what you’re trying to get across.