a) Raids in the West Bank are numerous and increasing, including a few in December where the IDF seized a bunch of money from exchange shops[1] (I don’t know why they did that), and a very big one in March where they killed a 16 year old child[2].
b) Palestinians in Gaza is a group (or peoples), and as such subject to Genocide on their own. One does not need to target every Palestinians for it to count as genocide. Bosniaks in Srebrenica was a group which was targeted during the Bosnian Genocide. The Srbska army did not need to target every Muslim Bosniak for it to constitute genocide.
1: https://www.aljazeera.com/news/2023/12/28/unparalleled-israe...
2: https://www.reuters.com/world/middle-east/israel-carries-out...