Because doing footwork is a foul, so the opposition gets a free pass. The umpire has to blow the whistle to stop the other players continuing.
There is no correct footwork. The footwork is different for everyone, as the size of the players are different. It also depends on what they are doing. Footwork for posting up is different for the footwork of a layup.
Umpires
There are usually 3 umpires in cricket
Urban Umpires was created in 2006.
Fancy Footwork was created on 2007-06-19.
how black umpires are there the 2013 season
Yes, they have several. Such as, Chair Umpires and Line Umpires.
The term for the two men on cricket field are umpires.
Two mounted umpires, and another on the sidelines.
World Umpires Association was created in 2000.
Footwork - 1929 was released on: USA: 23 June 1929