There is bad comparisons, then there is this.
So one family of one person who died doesn't represent everyone at the synagogue, he was welcomed there by the Rabbi, his daughter is Jewish and so is his Son in law, it's not exactly uncommon for a president to pay their tributes in a disaster such as this.
Not everything is political, it's absurd to think it is.
The mayor is a Democrat do you honestly think it isn't political reasons why he says he isn't welcome, Trump is going to get protests where ever he goes because that is what happens when your a Leader with strong opinions.
Outrage culture, always looking for a finger to point at.