I think your problem is you put too much attention on the kid. If you have multiple kids, then this method or so-called "intense parenting" wouldn't even be brought up. It's really not our job to discover children's special talents because it's a crap shoot. They may or may not be that special anyway. If they do, they will find it out themselves.
I got too many children to worry about that. Sometimes I feel comic hearing them running around and racking havocs. Why did we create those children and the problems that come with them? Whenever I hear people complain about children or feel regret about not doing enough with them, I chuckle. We didn't ask whether they want to be my children before they were born! So, when I want to get them to do what I want them to do, either do the homework or play sports, play music, I feel like a bad boss. I'm trying to bend someone's will as if he or she belong to me while they are not. They really don't have obligations to listen to my orders, fulfill my wishes and extend my life, do they?