Because playing isnt the same as coaching.

I can easily see Messi or Ronaldo coaching down the road. Many players of their status have done it.

And many more have failed. Pele, maradona are 2 failed managers and 2 of the top 5 players ever.

Zidane/guardiola are exceptions, not the rule.

“Except actual offensive weapons, dollar tree cashiers will do”.