Speaking as one of those serious rightists, I agree with Shua. The forum has become significantly less hospitable to rightists over the past few years. Based on my conversations with other forum rightists, I suspect most of the other serious rightists you cited agree with me.
The best solution to a problem of intolerance is exposure therapy - if you want to be taken more seriously, post more and more so that people can understand you. In an exchange of good ideas, people will be less hostile to ideas they are more familiar with.
I, however, am far more interested in takes from Parrotguy and smoltchanov and such - people from countries very different from my own. The repetition of circular talking points has become less common on here over the years, and that’s a good thing. Furthermore, I think the recent uptick in abortion discussions, where pretty minimal hostility to the right wing position has been shown, demonstrates that in an ongoing debate, right wing ideas can and will be taken seriously.
If you want to talk specific problems with moderators, okay. That’s fine with me. But to merely argue that the Overton Window on Atlas is shrinking and this is inherently a bad thing? I think that sort of persecution complex is going to damage the right on Atlas far more than it will help them.