These soccer players:

and almost every other FIFA Ballon D'Or winner in the past 20 years grew up playing Futsal and credits Futsal with developing the soccer skills that led FIFA to acknowledge them as the Worlds best players.

You touch the ball 6-to-10 times more in futsal than you do in 11v11 soccer for the same playing time. Just look at how much space one player occupies on an 11v11 field vs a futsal court:

and consider that not only is the ball spending far more time between players in 11v11, but that the time the ball is in posession of the players is divided between 20 field players in 11v11 but only 8 in futsal.