Agree with you for the most part. And, perhaps I am unintentionally arguing simple semantics. If so, my apologies.
I grew up in a neighborhood that was well represented by Jewish people. Many of whom were my friends. This was in the early/mid/late sixties. Not even 20 years after the holocaust. Every last Jewish person was left leaning. In those days, the division between left and right was nowhere close to what it is today.
In later life, I had numerous Jewish friends, again, all left leaning. I'd have conversations with them about who they were supporting and why. I never really got any answers that I could grab onto. They just seemed so indoctrinated and supportive of the agenda/narrative they were being fed, I finally realized they were never going to see the truth.
So, in terms of "they deserve better", this is where I have a difference of opinion. They have been, are getting and will continue to get the treatment that we all know is wrong. That won't change until they change. They need to wise up. I've tried, but I have come to realize that I can't do it for them. They have to do it for themselves.