Maybe not, people can only see the truth of the matter if they want to. If their worldview requires it to be a conflict of good vs evil, than they probably will ignore it to perserve their worldview.

well they’re terrorists, and also Hamas uses human shields.

My reply would be that they are also people who see themselves as in a shitty situation.

They will always find a way to justify Israel.

That is very likely true, but you don't know until you actually bring up the issue with them.