Catching up on my podcasts, I listened to Jon Udell's interview with Steve Vinoski on the way to work yesterday. At at 20:09, Jon asks Steve something to the effect, wouldn't it have been better if sides in the REST vs. WS-* debate weren't so polarized? Steve replies back "the polarization has opened a lot of eyes that may not have happened otherwise". He's so right.
I frequently play's devil's advocate, simply to get new thoughts injected into a conversation. It's way too easy to just nod your head and say 'uh huh'. Remember, innovation happens elsewhere.
There's an interesting twist here, also, regarding persuasion. Robert Cialdini, in Influence: The Psychology of Persuasion, talks about reciprocation. In trying to persuade someone, start with an offer you know they will refuse. Follow-on offers that are more attractive, won't seem nearly as outrageous; you've changed the expection level. Additionally, in your follow-on offers, you've actually 'given' something to the offeree; you've lowered the cost of the offer. People don't like to be in debt to other people, and will frequently expend more than the debt is worth to remove the debt.