No I get that with regards to training category - it's a great idea, and I've already tweaked individual training for two players as a result of the information being presented in this way. But narratively it makes sense to go beyond in some cases - to have technique in multiple places, or to include an attribute (like heading) even if it can't be trained. I guess the ideal would be to have the non-trainable attribute presented slightly differently (smaller font, not in bold where the others are?) to emphasise this, but that might just look a mess.
My brain is a little broken by the skin, it's making me approach the game entirely differently. Amazing!