Same with baseball - if you can cover every position defensively but don't stand out at one place, then you're probably going to be a utility guy.
It's pretty hard to doubt the 10,000 touches ruling - it's simple that more and more practice will easily make you a better technical player, it's just to make it to a high level you also have to have the physical elements - strength, build, speed, toughness etc
This is tired typical old english/nz/aussie soccer thinking.
Xavi, iniesta, - are they strong? welterweight physique? fast? built like brick sh1thouse? no, no, no, no, no.
What they do have is great technique and read the game so intelligently and amazing spatial awareness.