Don't worry, he completely agrees with the move as you'd expect.

Biden denounces ICC for ‘outrageous’ implication of equivalence between Israel and Hamas

The Biden administration on Monday forcefully denounced efforts by the International Criminal Court to seek arrest warrants for top Israeli officials and Hamas leaders, saying the court’s efforts put the terrorist organization and a top US ally on equivalent footing.

And why would it matter if it's a rep or dem doing something specifically? They're the two parties of capital and instruments of the capitalist class; one cannot exist without the other. It doesn't matter which one specifically has been doing the most recent fascist shit.