Interesting claim. Where did you hear that? The IDF is pretty infamous for crushing people alive with these bulldozers, and also for denying search & rescue access to find civilians buried in the wreckage (and also for just killing said SAR and hiding the bodies and lying about it*).
* surprise, it was in Rafah, the city formerly located in the wasteland from the article we're discussing: https://en.wikipedia.org/wiki/Rafah_paramedic_massacre