What do you consider a power user? Because I'd consider an OS that refuses to let you do what you want, and constantly reverts your customisation, the opposite

What do you consider a power user? Because I'd consider an OS that refuses to let you do what you want, and constantly reverts your customisation, the opposite of power user friendly. We're a long way not because Linux cannot do it. We're a long way because publishers refuse to take it serious.