You say the game is being changed for wow-kiddies, yet you definitely complain like one.
I see nothing in this feature that hurts you.
You don't like stupid shouts?
What do you do to avoid them?
Ignore them? Change zones? Turn off shouts?
Guess what, it's the same easy solution to avoid stupid yells, and likely yells won't be allowed as often as shouts.
I'm glad SE attempts to implement features that help organizing groups with any means they can, considering how terrible it is to organize a group for a specific task without shouting for members. Yelling only improves that.
Seriously, grow up. It's sad that some text on your chat log is enough for you to want to idle in a different section of town as-is.
At least give some suggestions toward the meaning of this feature, rather than QQing about the minor details that bother you personally.
On the topic of the feature itself, I'm slightly disappointed that it'll only reach the region of the Nation you're in. The goal with this feature should be to allow people to set their Home Point in their Home Nation, and see the Jeuno shouts for organizing groups. Seeing Port Jeuno shouts in other parts of Jeuno, isn't extremely beneficial. Also, making the color the same as Shout for default, will cause a LOT of confusion upon implementation.