I think those numbers are way too low. But who is there left to count? Here are some estimates.
Discussion
Thanks. I'm not gonna believe their DEI lies though. And maybe you shouldn't either. But that's up to you.
With some things, there just isn't a morally good solution. The conflict in the middle-east has been going on for ~4000 years. I don't care anymore. They're either gonna learn to search for faults within themselves first, or they're just gonna kill themselves over and over again. I'm certainly not going to take sides in a conflict the root of which isn't an event, or series thereof, but the very nature of their cultures (roughly "we're victims and the other side is evil so we're gonna take justified, and bloody, revenge").
I see you did a deep research into the topic. That 'DEI' report is at least offering some answers. That's not the case with your take.
If you're grasping for straws in a sea of misinformation, go ahead. But I've lived long enough and seen enough to have my own view of reality. One that is based on actual life, not on words from a third party. Don't trust, verify, you know. Anyway, good luck with your efforts, wish you the best.