Yeah, I don't know why it wasn't pulled before. TFP wasn't making bank on the Telltale version though. Most of that money went directly to Sony/MS after TellTale went bankrupt.
It does help if you read the news information.
7 Days to Die 1.0: Important Dates
Here is the current schedule. Note some dates are still subject to change. June 21st - 7 Days to Die 1.0 Experimental - Streamer Weekend Steam
June 24th - 7 Days to Die 1.0 Experimental - Public Experimental Steam
June 28th (Tentative Date) - Console Edition 1.0 - Wishlisting PS5 & Xbox Series XIS
July 15th (Tentative Date) - Delisting the Legacy Console Game from digital stores
July 25th - 7 Days to Die 1.0 Official Stable - Steam and Microsoft PC July 25th (Tentative Date) - Console Edition 1.0 - PS5 and Xbox Series X/S launch including a 25%
So it clearly says July 15th is when it might be pulled, which is why it hasn’t been pulled yet.. That is a tentative date as you clearly pointed out.
While, true they might not have made bank on the Telltale version, but as you mentioned back them something called the long tail. They have been collecting on the old version since they bought the rights back from Telltale.
Good to see the newer version on the game store. I was wrong that it wasn’t listed.