Indigo is right I think. This is Pokemaster's decision so I won't add a full answer here, but I definitely understand where you're coming from -- in recent years the chat room seems to have attracted a demographic that I've never really been able to integrate with either, one element of why I just about never use it now.
Though I couldn't really say how active it is nowadays, I remember the DB Showdown server offering better quality conversations than what you'll get on the chat room. You might choose to use that as an alternative means of communication if the main chat room gets too frustrating:
http://pokemondatabase.psim.us/
If there are users in the chat that consistently prove to be a negative presence, feel free to submit a report about them and we'll have a look at it.