Re: It's marketing lies allowed to become reality.
We have TiB and GiB now so that self-important Wikipedia trolls can bask in their smug superiority.
"I'm the only one marching in step. The rest of the army is marching out of step" has been a favorite Wikipedia meme since the online encyclopedia first became popular, with no sign of that changing yet. "Correcting" the meaning of GB is just one of the better known examples.