Language for writers is the primary way of communicating (hand gestures are hard through a book, lol) so I think its very very important to use prcicely the words that get your meaning across large or small.
There are always words that mean the same thing but when I read my own work, I always seem to be changing the small words more often than the large ones simply because it changed the feel of the piece.
As for dumbing down society, I thought when I first read the post title that you were talking about dumbing down the topics that are covered. That can be a real problem too as I really don't want to listen to anymore celebrity gossip news pieces (I don't know if you'd call that dumbing down or not but they sound pretty dumb to me).
Not too be too self promotional, but that's kind of what I'm striving to fight against with my magazine. Check it out if you get the chance, the address is in my signature.
Take care,
D.A.N.
Owner/Editor - Sights & Sounds from the Fifth Column
The Fifth Column Online Magazine -
www.fifthcolumnmagazine.com
A division of Fifth Column Media -- Freelance Graphic/Web/Multimedia Design
www.fifthcolumnmedia.com