Jesus Christ, was this garbage actually popular fanon back in the nineties? Someone tell me, because that's before my time in the fandom and I really don't know. Now the idea of the evil Jedi being the clones was not an uncommon one. But some people actually wanted the REAL Obi-Wan to die in the prequels, so that the Original Trilogy Obi-Wan would turn out to be a clone? Oh yeah, like that idea would've gone over REAL well with everyone. The fanboys wouldn't have raged even more if that had turned out to be the case...The Awesome Fan Theory:
The "clones" were artificially grown Jedi, and Obi-Wan was one of them -- thus the clone designation "OB-1."
Picture this: Millions of cloned Jedi Knights battling across planets and spaceships in a badass whirlwind of laser-force space death. A "star war," if you will. It makes sense: If you had to clone someone to create an army of warriors, a powerful Jedi would be the most logical choice.
According to this theory, the name Obi-Wan Kenobi is actually a transliteration of his serial number: OB-1, first in a line of star-warring space wizards. In the first movie, Obi-Wan uses the alias "Ben Kenobi," supposedly because he's hiding from the Empire, but that doesn't really make sense: Why would you keep the same last name if you didn't want to be found? This would explain where the alias came from: It was the name of the original Jedi he was cloned from (and therefore his "father").
Oh, and it closes a gigantic plot hole in the prequels: The reason the old man Obi-Wan doesn't seem to remember any of the events of the prequels (such as not remembering having ever seen the droids before, or that Darth Vader built Threepio) is that the old man is just a clone. Also, imagine the awesomeness of the surprise ending they could have included in Episode II, in which the future Darth Vader starts his march toward evil by pushing the original Obi-Wan Kenobi off of one of those high walkways they apparently design into every spaceship.
What We Got Instead:
In Episode II: Attack of the Clones, we find out that the Clone Wars was actually a war between some crappy robots and ... an army of Boba Fetts. The Jedi are sort of standing in between, and then they're all killed by the Boba Fetts. Yeah.
As for Obi-Wan, he forgot all about R2-D2 and C-3PO after spending three whole movies with them because ... you know what, at this point we don't even care.
Also, forget the fact that "OB-1" never mentions that he's a clone during any of the Force ghost scenes. Or if that ghost was the original Obi-Wan's, how he never mentions that Luke never met him because he was just running around with a stupid clone. And somehow the Jedi and the Force are still regarded as folklore in the OT, when the clone-Jedi fan idea would've filled the galaxy with even more of them than there were in actual canon.
And apparently, some fans are still racked with the inability to reconcile the Obi-Wan/R2 "plot hole" after all these years, when the easy explanation is that ANH Obi-Wan just kept things on the down low because he was lying to Luke and omitting lots of facts.
There are so many of these fanfic stories for how the prequels "should" have been, but so many of them are far worse than the actual thing.