Well, the elite amateur team I'm on has had 12-14 guys turn pro over the last 7 years or so...one of whom road for one of the lauded teams you've mentioned above--2 are on pro tour teams, the rest on continental teams. I'm in regular contact with over half of them, and train regularly with 4-5 of them.
The 'coaching advice' they get ranges from pretty good, to ridiculous, IMHO. Even in the pro tour teams, the level of 'coaching' varies greatly among the riders on the team...and the scrubs don't get very much attention.
You know as well as I do, most pros aren't making Levi-type money, and most can't even afford to hire a coach, at least the continetal team guys.
The best line I've heard, from one of the most respected US DS's in the last decade:"it's not professional to race with a power tap"...WTF is that?? (that was just last year--and PT was one of their sponsors??)....
There's a pretty big divide between the level of interest the teams really have in guys who are Tour GC riders or guys who can win races, and the rest of the team.
I maintain that the biggest reason most pros don't race with a power meter is that they're simply uninformed and a slave to tradition. I also suspect in 5-7 more years, racing without a PM will have the look of an NHL hockey player playing w/o a helmet.....