This is a text-book case of genocide, page-88

That is very true - the deliberate killing of Palestinian civilians and the deliberate withholding or restriction of provisions and services necessary for life is not of the scale of the holocaust. However the following article gives evidence of the genocidal intent against Palestinians in Greater Israel, and a more nuanced use of the term to include partial genocide, as it were:

https://www.aa.com.tr/en/middle-east/whats-happening-in-gaza-tantamount-to-genocide-international-law-shows/3062150