Sure. Except “letting them evacuate” in this case is better characterized as “continuing to expel them from their homes under threat of violence.” I’m not arguing the 24 hour time period is the atrocity, I’m arguing the act of creating a humanitarian crisis under the auspices of a military campaign effort is abhorrent.
It’s not like we don’t have any good reporting on the matter either. The BBC for example has already been attacked because they refused to declare Hamas as terrorists (a label I agree with, for the record). [This article](BBC News - Khan Younis: A Gaza city on its knees, now with a million mouths to feed
https://www.bbc.co.uk/news/world-middle-east-67116403) provides some insight into the absolute horror regular Palestinians are going through right now.
Prayer can be a powerful self meditation tool. It’s effectively a way to organize your thoughts by talking to yourself. What is not helpful is sending “thoughts and prayers” every time something bad happens without actually attempting to do anything to address the problem at hand.