Good catch re the knife.
I think the painting is a little creepy. Not sure if actual blasphemy; maybe borderline. It’s just art, though, and not verbatim Scripture.
There’s a heart on one of the scale’s plates juxtaposed against a feather on the other plate.
Perhaps the feather represents the American bald eagle and Biden has cut the heart out of America, with the articulate nice clean home boy’s help (Obama) who is shielding the knife from Christ (Christianity in America) which is next to be carved up and eliminated.
It’s just art