I feel hes right, to a point. Doug Williams did it with the Redskins, it was lauded and remarked upon!then promptly ignored. Nowadays, it cant be ignored that the glass ceiling at QB has evaporated. Wilson is right in this.
In subreddit r/steelers
In a post titled:
Russell Wilson: "For me to be able to go to back-to-back Super Bowls, and win one of them, I think opened up a lot of doors… a lot of teams these days have Black quarterbacks playing for them… Now you see guys like Patrick Mahomes who won it; its really just us so far"