I think what he means is, in our day, what we called "parking lot pimping", named after the Jay-Z song in the 90's or something like that. Essentially, being a part of the "scene" in order to see-and-be-seen and pick up women or socialize (which then leads to conflicts and fights sometimes, etc.) while being adjacent and tangential to bars and restaurants and occasions, but not having to actually participate and spend money.
This means that those who want to go and have a good time and engage with the bars and restaurants and other like-minded folks are outnumbered by those without any financial skin in the game and so they eventually move on to socialize elsewhere (4th, 5th, W. 6th, Rainey, East 6th., wherever).
All that to say, there are definitely problematic ways to paint the fall of 6th street with a broad brush that some of you are close to doing with social and racial implications.