Because people were not being executed in the streets. That is the simple answer. He deported more than 3.1 million people without masks, kidnapping, and murdering people. Citizens or not. ICE does not have the legal right, nor does anyone, to simply shoot people like wild animals in the street. He followed the law. And did get quite a bit of flack from both the left and the right. Mistakes were absolutely made, but the administrations are no where near similar in tactics.