The people that are doing it to monitor the internet do have a schism with their voter base.
The groups that get Republicans in primaries tend to be heavily conservative/Christian, then they get voted in because they have an R next to their name. The voters may not even agree with most of the things said politician says, but it has turned into a performative act by that point.
And that's how you get porn users to ban porn.
Much like get got farmers to vote against their best interests.