Thanks for this answer, a very interesting read!
I will say that as with Cruyff, it's so often the opposite of what it appears like from the outside. I used to think about the dutch as being a very analytic, argumentative, ideologic but also a bit "free-thinking" people when it comes to football... I used to have a dutch coach who was a master at details, very free-thinking.
I fell in love with Frenkie in Ajax CL run, as everybody else. Then I was curious to see him at Barcelona, but it didn't take me long to think that the CB position would suit him better. I didn't know then that he had ever played there before... I can see that it could've halted his progress back then, that it wasn't right, and maybe he even got used to some (for him destructive) patterns because of that, making him play worse at midfield. A bit ironic then, because now I think this will be the role that he has the best potential to become great in, I still have very high faith in him in this libero position.