If am not mistaken, have said this in your previous post.
This is plagiarism. You should have quoted the write up and introduce the direct link, unlike the one you shared and also share your thoughts or anything original. I think this action might be a reason you having negative karma.
Well back to the post. Speculations are everywhere, many want to be associated with the creation of Bitcoin. I won't believe any until the real satoshi comes out with his identity. This though i highly doubt.
As Fenix has said many versions have been created including one that says US government created it to taste an idea/system. Who created Bitcoin doesn't concern be much, the currency is already performing better than they/he/she anticipated.