Generally, Hall of Fame inductees in numerous sports have been watered down in recent years, none more so than baseball. They feel a need to induct at least a few players every year, so they can hold all their annual Hall of Fame festivities, etc.
If you look at the top pro players of Rodney’s generation (currently in their 40s / 50s, Rodney would arguably rank in the top 10, and likely in the top five of US players of that generation, somewhere behind Strickland and Archer. Now in his early 50s, Rodney is still a formidable player, although he doesn’t seem to play in many tournaments, unlike Johnny and Earl.