But if Pops is such a great coach, why doesn't he manage Ginobili's minutes better so he isn't injured every year?
San Antonio is a very well run organization and Pop is a good coach. These are true statements but have no bearing whatsoever in judging whether or not Doc is a good coach.
As far as this year, the main difference is that Duncan is healthier than KG and Parker is healthier than Rondo.
Yes, he did manage Manu's minutes, while at the same time, had no equivalent star power to replace him, as an inside-out all star shooter. Pops needed subs to make up for a franchise player. In contrast, Doc had a healthy Pierce for years which is why he ran isos for Paul, much of the time, during crunch time. Sometimes it worked but when PP was gassed, it was a death trap which opponents took advantage of.
Then, Rondo, not being JoJo White, has an inconsistent outside shot, which teams then took advantage of. In contrast, Parker does have an outside shot and yes, like JoJo White, takes the ball inside, while setting up the guys on the outside. So the guy above is correct, there's no real JoJo facsimile, however, in terms of player development, Pops had most definitely gotten a rookie/sopho Parker into a form, not too disparate from what JoJo was, in his prime. Rondo, on the other hand, was always looking for that assist, a shooter off a screen. He never really advanced beyond that style of player.