I haven't checked it out today yet, but my understanding is that the elevators are staying open, it's just the tunnel to overlook that's being closed.

Housing Works opened the first legal/licensed one after Christmas: https://gothamist.com/news/legal-recreational-weed-sales-begin-in-new-york-city The one in this post is the second. The others operate in a gray (at best) area, not specifically licensed to sell commercially.