I love NBA 2K19 and still play it consistently, but the atmosphere of the games leave much to be desired. There are a few relatively simple things they could do to seriously improve.
Celebrations
https://realsport101.com/news/sports...bration-guide/
NBA Live 19 had them, but having the ability to do this in 2K (After dunks, made 3's, fouls, 4th QT points, etc) would be awesome.
Lighting
An obvious issue that has been discussed by many.
Up-loadable scoreboard.
Not sure if this is even possible on consoles, but allow users to upload scorerboard templates would be amazin.g