Gosh, you know, you are so right here.
I can't believe I didn't realize the world beating Tulsa team that Tubby was given and accounted for 20% of those 400 wins. Or even that absolutley dominant Georgia team he inherited that got 11% of those 400 wins. And, god bless Rick Pitino for giving Tubby all of those players who completely coached themselves through practice and games. He even kept providing those wonderful self coaching players to Tubby for his entire 10 year tenure. He really came through for ole coach Smith in year 5 when he went undefeated in the SEC and to the elite 8. What. A. Guy.
I sure hope Tubby sends fruit baskets to all of those people every christmas.
Now that I'm done being sarcastic with you (BTW, can you PLEASE just go back to the UK board and enjoy your last year of Cal before he jumps for the Wizards and you are stuck replacing yet another coach?)
Record from year 5 forward (When we assume they no longer were "given" any recruits from the prior regime.)
Tom Izzo: 312 - 124 .716 (12 1/2 years at MSU)
Tubby Smith: 168 - 56 .750 (6 years at UK, 1/2 year at MN)
But hey, good try!
As I said, I still give the nod to Izzo as he has had more tourney success than Tubby, but to say that Izzo has been better with his own recruits in terms of winning percentage than Tubby has is completely and utterly wrong. And that program that Izzo "built" (I agree he has done a lot to advance that program) but the coach before Izzo, won a national championship at MSU as well. He didn't exactly inherit a crap program.
In fact, feel free to compare their careers here:
http://statsheet.com/mcb/coaches/compare?add=tom-izzo&c1=tubby-smith