Once an artist's album is out; the thread updates become most of the time kinda pointless. That's something that we should all be expecting. What's really there to be discussed other than the chart updates, daily gossip and video info ? I personally don't believe that there is such thing as "unnecessary" official thread. It's just that Thread Starters should be more responsible and reasonable with their updates. If someone updates their thread pointlessly for the sake of bumping their flop artists thread, just laugh at them and they will get with the program eventually. I'd rather see 15 official threads of DIFFERENT artists than seeing 5 threads of the SAME artist on the first page. Some people are overdramatizing this and they are like.. "you can barely see other music news", what news?! If there's some interesting news to the majority then you will certainly find it on the first page. If there's not, you can always go to the second page. I'm sure you won't miss it. One suggestion is to increase the number of threads per page display.
With any official threads that you will allow, there should be some sort of restriction on what kind of updates you make. For example, an update should not say "Pictures of (insert artist here) going to Starbucks" or "(Insert artist here) loves to eat Pizza." You get my point.