"The US dropped an average of 72 bombs every day — the equivalent of three an hour — in 2016 ..."[1]. He is a war criminal if only one of the thousands of bombs that the US dropped during his presidency resulted in killing innocent civilians. It's highly probable that you'll be a war criminal when you become the leader of world's number one superpower. In today's world, a considerable number of state leaders are war criminals ... I always have said and I'm obliged to say it again that I still prefer a world in which the US is the number one superpower and not countries like Russia or China ...

[1] https://www.nbcnews.com/news/world/u-s-bombed-iraq-syria-pakistan-afghanistan-libya-yemen-somalia-n704636