I always knew Waters was bitter about the loss of his father. It's just a part of too many songs not to understand. When the Tigers Broke Free has always been one of my favorite Floyd pieces.
Trump is an easy choice for negative commentary by anyone, and after not living in the US for 17 years now, I'm beginning to learn different views from a different viewpoint.
All being said and done, much of the concert was older music made relevant to today's issues. Same thing with The Wall World Tour last time he was here.