They are all functionality equivalent. This is similar (though not exactly like) people saying Trump was worse than Biden. Leftists know that he meaningfully isn’t.
Whoever replaces him is going to kill just as many poor/marginalised people here and brown people overseas, and will continue to help the rich get richer. This is basically just bourgeois infighting and we shouldn’t be distracted by it (even if the drama is admittedly entertaining to watch).
I actually disagree, I think there are far worse people than Boris who might take over