And people have to make their own filters would still be a hassle, because RMT can still get around it by changing a single thing in the message. RMTs have bot programs for a lot of what they do. Go look at RMTs from other MMO RPGs, they can fill up chatboxes in not even a second with external programs posting for them.

Hell, this is my 20-somethingth MMO RPG, and there's never been a 100% way to stop RMT for too long, and SE is trying their best at it.

Did you play XIV in the first weeks of 2.0? It was WAY worse then. You couldn't even step into one of the three towns without your shout box filled up in a second. It's way better than how it used to be