I get what you're saying. However, one of the points that I also didn't really make well was that IS/ID can get some secondary training from things like OD or 1v1 forwards, but rebounding/SB can't really get secondary training from any guard skills. So for example: if I want 9-10 REB or 9-10 SB on Ogle, which I do, then I'll have to train those skills up and play Ogle extensively at C to do it. Whereas for a skill like ID, I'll probably never have to train it since in the process of getting 18-19 OD on Ogle, I'll also get 9-10 ID, which should be more than enough, and for IS, I can get a couple of the pops from 1v1 forwards, reducing the amount of time I have to play him at C.
And I'm definitely aware how lucky I got in drafting Ogle. Especially since he turned out to have really nice guard skills with only one minor hole in OD, it could have been much worse. PFs can either have really nice well-balanced skills, or they can basically be centers with 6 or 7 JS and all 1's and 2's for the rest of their guard skills. Ogle turned out to be the former, and that was a huge stroke of luck for me.