Tiller got away with it for so long because of the BIG bucks he spread around. It is unlikely that anybody else doing this will be put up with (at least to the disgusting extent that Tiller was).
Roeder was just the first person to slip out as the laws were thwarted. I’m sure there are others out there that are right on the edge of “slipping” should the governor and AG keep up their antics as they did with Tiller.
Tiller could have been made to conform to the law, or could have been incarcerated for violating it. In either case, someone like Roeder wouldn’t have been pushed over the edge to take matters in his own hands.