It's the same excuse used to keep these people in an open air prison and limit medical supplies and construction materials. Just in case they might want to build a bomb.

At the moment, Hamas, Hezbollah, and Iran are all on the same page, and that page says "Death to Israel," which is unmistakable genocide. They are receiving widespread approval or silent toleration throughout the world. The U.S. government gifted Iran $6 billion to facilitate its strategies, and (as I have read recently) offered $ millions to Palestine. So, yes, it is about committing genocide against Israel with the world's approval.