Because they died on a hill after he left and that stance isn’t aging well, so they pretend that they want to discuss the current team or whatever else when, in reality, they just don’t want to be reminded that they took a poor position. It’s just an attempt at censorship to prevent people from discussing a relevant topic with their own free time on someone else’s message board because said people just don’t want to hear it.
You can literally start a thread about anyone else who contributed to the dynasty - Bru, Vrabel, Willie, Troy, Dillon, etc - and not get this response nor would you have people banging the table for a separate board for them. Ask yourself why that is.