The trouble I'm having when it comes to the ChatPS peoples'* claims is this: How do you separate "being a bit of a weirdo" from "running a rival website" to explain being slagged off? If there's one hallmark of Metro people*, it's being arsey at weirdos. I'm sure you'd agree there shouldn't be some kind of webmaster immunity from that. The other problem is it's all based on the assumption that Metropol people are really bothered by the existence of ChatPS, and killed the chat room out of spite. It's intrinsically really hard to prove the absence of things like that.
Now then,
on the the specifics of killing metrochat
According to my recollection (and the logs) the chatroom was treated like ChatPS peoples' own personal playground through the election night. The most egregious bit of this was the constant posting of images that filled the screen (lots of use of
http://dvbbrighton.tk/heroes/image.php), and vast levels of bizarre in-jokes. Basically this made it more shit than it needed to be and, whether intended or not, cliquey. My favourite example was DavidLees: "This chatroom is normally much better. All the new people are ruining it.". This kind of thing doesn't exactly produce much goodwill for the next bit.
I discussed killing the chat room with pete for a while, and the reason most certainly was that we thought it was killing the server. For what's it's worth, here's the 7th November adium log:
18:11:23 Sput : something is wrong at the uploader
18:11:33 Pete: i think it's killing the ram
18:11:36 Pete: right just email it please <-- That's an unrelated remark about a file I was trying to transfer
18:11:36 Sput : oh no
18:11:41 Sput : i think it was the chat room
18:11:46 Pete: urgh
18:11:48 Pete: lets kill the chatroom
18:11:53 Pete: maybe that's what keeps crashing the server
Now, did me and pete know this would remove your discussion area? Yes, but here's the crux:
What's the point in having a chat room for occasional use if it's (i) apparently breaking the server the whole time and (ii) haunted by the same 4 people that make it impossible to use for its actual intended purpose? There are probably technical and moderation ways around (ii), but the ChatPS people didn't stop the crap when asked to on election night, and that killed any goodwill that would have led us to bother finding a compromise that would have benefitted ChatPS people - and only ChatPS people - for > 99% of the time.
Maybe it's just a universal law of the internet that you wind up hating the forum that your forum is spun-off from.
Finally, re: that secret forum screenshot comment - I was joking. It's a subtle joke because no-one was laughing, but hopefully it's fairly obvious.
* I'm using "metropollers" and "ChatPS people" for shorthand rather than some kind of allegiance thing.