NR hunting is not becoming a rich mans sport...its stayed relatively static in price for the 42 years I've been hunting...give or take.
What's going on right now is johnnie come lately type NR hunters just have short memories or weren't hunting out of state 3-4 decades ago.
Just for the hell of it, I went and looked up some statistics from Montana as an example of what a NR deer/elk combo was selling for in the year I started hunting, 1979.
NR cost was $226 dollars, average United State househould median income in 1979 was $16,530. So $226/$16530 would equal around 1.4% of the mean income for a NR MT combo.
Median average household income in 2020, is $68,703 current price for a MT NR deer/elk combo is $1052...so $1052/$68,703 would equal about 1.5% of the mean income for a NR MT combo license.
Has it went up in price? Yes, .014 to .015 of mean annual income or an increase of .001 or 1/10th of 1 percent of mean annual income since 1979.
The only way you can logically say its "becoming a rich man's sport" is if you agree that it has been for over 4 decades...otherwise its about the same its always been price wise.