Rock hall needs to represent modern country artists
I do think that if the Rock Hall wants representation of younger-generation blue-collar/conservative listeners (alternative/indie culture represents more middle-class people), they need to push modern country instead of rock revivalists, like Garth Brooks, Shania Twain, The Chicks...
A lot of younger traditionalists who would have been heartland rock listeners or arena rock listeners if they were 10–20 years younger are actually country music listeners.
I have seen some quotes saying that some traditionalists think indie music ruined the relevance of rock because it made rock become more shaped by middle-class tastes and swayed it away from its essence of representing ordinary people, so they think indie music is a bad thing. I won't totally agree with that
But yes, I think younger traditionalists need some representation in the Rock Hall. There are still a lot of younger traditionalists who mainly listen to more conservative types of music rather than, for example, alternative or indie. So actually, country has become the new heartland rock and classic rock for a new generation, appealing to a similar audience but at a younger age.
So yes, I think modern country artists like Garth Brooks, Shania Twain, and The Chicks need to be in the Rock Hall to represent these traditionalists, and they are better representations of younger traditionalists than classic rock revivalists like The Black Crowes or Melissa Etheridge, considering their sales and lasting influence on that group of people.