It's certainly a touchy subject, but I really think he was just trying to be helpful. Now's the time to let it go, and stay on topic. If this turns into an argument the thread will certainly be closed and you won't get the help you came here for in the first place.
Since you bought your machine from a retailer, you'll have to check with them concerning returns or swapping for newer units. It's not between you and Apple, it's between you and whoever you bought the machine from.
You can only have the newest machine for a maximum of 7-8 months, so if you paid the money you did for the machine you currently have, you must have felt it was worth it. And while I can understand your frustrations, technology moves fast and you can't blame Apple for not giving everyone a "heads up" before they release new products.
Many people weren't very happy with the 13" MBP refresh this past week anyway. You're not missing out on much.