Ended up seeing it again last night with a friend. Having let it sit with me twice, i've got even more respect for Jody Hill for pulling this off with so much of the audience (about 7 of which left, weird enough, after Ronnie muscles Patton Oswalt) on the side of a mental patient with a badge. The only better explanation I've got since yesterday is that, compared to Fred from Foot Fist Way, his intentions are still under something resembling justice. He wants to do good, he wants to save kids, it's that he doesn't have nearly the mental, emotional, or social capacity for it, and the idea of a character who wants to be genuinely great, and yet doesn't have the tools is at least a relateable idea, even if most people would never go to these extremes without bigger consequences. There's a weird empathy here that Jody Hill's evil fucking brain takes such joy on making the audience feel guilty for that never exists for a guy who's ultimate goals are really only serving himself.
I'm still really digesting the bigger, scarier, sociopathological parts of this, (I'll at least concede I mistook legal justification with "Ronnie chase bad guy, bad guy must be stopped, gun funny" before, and this was dumb) but the one reaction both me and my friend shared was that we had this strange, driving feeling that, like ice cream goes well with pie, a viewing of Watchmen would go awesome with this movie.