Please impose a minor chat limit and throttle!

[MajinUltima]

They would change their
(5 seconds)
Spam to look like this.
(5 seconds)
And because nobody uses
(5 seconds)
shout chat much. It would
(5 seconds)
still make complete messages.
(5 seconds)
Most of the time...

You're missing the point. The throttle means it would be very easy to pick up the spammer and blacklist them. You can't do that very easily when the chat window scrolls 2-5 window lengths EVERY. SINGLE. SECOND.