It is utterly tasteless but might not be considered an active threat. They are an edgy clown but there's no indication they will attempt to do anything from that image alone. I'm sure it would make fine evidence in a court case next to, say, guns and maps. But I don't think it can be the basis for a case.

This version also has some darker undertones compared to the Biden one. But they all worship and idolize a rapist so no surprise there.