If people are not reading the stickies, do you think they will read anything else? Do you honestly think it would make any significant improvements? The staff understands the problems involved with the Service Request, but throwing some blinking bolded red warnings in the newthread template will not do anything.

You can lead a horse to water, but you can't make it drink the water.

Sure, vBulletin.org can implement some features to help both parties, but when it comes down to it, it will be the clients responsibility to hire a reliable source and up to the coders to deliver the products they were hired to produce.