Because the op of that thread is no longer active and doesn't moderate off topic postings and as such it's now mostly full of idiots discussing alt coins day after day. Sick of seeing dozens of reports from that thread every day. Plenty of other pointless threads in Speculation to talk shit in. If you want to talk about alt coins then do that in the alt coin section.
Another idiot moderator's opinion ... just do your fucking job and clean the thread up (if you can't handle the heat in the kitchen, get out, and no whinging on the way out either). How could it be "another pointless thread" if it is getting so much attention from the trolls and spammers? Not to mention the massive number of views it gets daily.
You moderators are ruining bitcointalk as much as the spammers and trolls that you are letting run amok.
Maybe all that money spent on the forum software (where is that by the way?) would have been better spent on moderator attitude training?