I'd love to see firm evidence for this. It seems a little too fatalistic, and convenient for arguing for the permanent subjugation of a people, to suggest that two million people can't be left to their own devices without obsessively committing to destroying themselves against their neighbors.
"for the past two years the Hamas leadership had been talking about implementing "the last promise" (alwaed al'akhir) – a divine promise regarding the end of days, when all human beings will accept Islam. Sinwar and his circle ascribed an extreme and literal meaning to the notion of "the promise, " a belief that pervaded all their messages: in speeches, sermons, lectures in schools and universities. The cardinal theme was the implementation of the last promise, which included the forced conversion of all heretics to Islam, or their killing"
, and good chunks of population specifically [1]
[0] https://judaic.arizona.edu/sites/judaic.arizona.edu/files/20...
[1] https://xcancel.com/thehonestlypod/status/197304563042865597...
I think Sinwar would have loved to stay alive and recommit his attrocities but martyrdom is a nice consolation prize. The next in line should be so lucky.