Having a common implementation is extremely important, for instance a common implementation of HTML.
The problem arises with regards specifically to control and who has it. As others have mentioned if one entity has complete control then standards committees will be beholden to the controlling organization, effectively making them meaningless.
The problem arises with regards specifically to control and who has it. As others have mentioned if one entity has complete control then standards committees will be beholden to the controlling organization, effectively making them meaningless.