New York is a complete outlier to this conversation. It has one city that contains a gigantic portion of its population (8.5 million people) but hardly any football fields to play the game on to develop youth at the game. That's what separates it from states like California and Ohio. And none of those states are in the south, which is what your original post was about.
You can continue to bury your head if you wish but demographics is the issue, as I sit and watch NFL playoff games and see very little diversity on the field, much like just about every football game available to watch on TV. The game is dominated by blacks, there's just no argument against that. The more you have in your state the bigger advantage you have in recruiting. That's real talk, not a crutch.
Then why does California produce so many great prospects, per capita, than Kentucky. Why does Ohio? Why does Pennsylvania?