Religion

which I lean towards slightly being more likely than not (although certainly not a deity)...I don't see a ton that suggests to me he'd find much to appreciate in evangelical right-wing nutjobs.

I mean ignoring that a 1st Century dude is going to find just about everything about the 21st Century bonkers...once the culture shock wore off...everything I've read strikes me this is a guy that was not particularly focused on the details as much as the general principles.

Those principles being encapsulated in Do onto others and turn the other cheek which suggests to me he'd be more likely to side morally with us than them.