Ah. Yes. It low key bothers me, but the thing is I don't see any benefit to cutting it to be even with the rockers. Making that cut tidy would be pretty tough, I think. Plus you really aren't getting better clearance unless you remove the spare and hitch and cut aggressively upward angle. I sat under it for a while with a saw and finally just said "nope".The rear bumper is lower than the front bumper and rocker panels.
I have done more damage to my rear bumper wheeling than anywhere else.