yes we do. roddick's service motion, fh, and bh are taught as the new orthodoxy in many tennis academies. harrison and sock are just the most visible products of this school.
I work at one of the biggest academies in So. Cal., which I also trained at as a Junior. By extension of both of those facts, I've experienced or visited many of the facilities and programs around the region as a player and now as a coach.
There are no banners of Andy Roddick hanging up. There are no bibles of his game lying around. No part of any facility's curriculum has an "Andy Roddick class" offered, and no club prides itself on producing the next one.
It might also interest you to know that most places enlist pros as independent contractors, meaning many coaches, bar some principle oversight and regardless of any USPTA affiliation, are responsible for and free to coach Juniors to their individual preference.
Moreover, and once more, Andy Roddick has never had an orthodox game. His serve and forehand, while respected, have never
been considered exemplary, while his backhand has been openly criticized by commentators for year, many of whom have a hand in some of the best facilities around the world. Besides that, he is hardly the premier proprietor for the big serve, big forehand archetype you're presumably alluding to, as you can look back even to one Jim Courier as a weapon-oriented champion.
In short, you have no idea what you're talking about.