If you agree with Hamas, just a few links:
https://www.dni.gov/nctc/ftos/hamas_fto.html
https://www.cfr.org/backgrounder/what-hamas
https://en.wikipedia.org/wiki/History_of_Hamas
https://en.wikipedia.org/wiki/Governance_of_the_Gaza_Strip
And I could go on. There are no “good guys” in this conflict. Only human victims. What the Israeli government is doing is terrible and indefensible. I’ll never pass your impossible purity test, so I’m not even going to try.
The simplest answer is that they are getting it from Russian Propagandists. They repeat it because it riles their base and gets them engagement.