I am confused by your article. Samsung yesterday stated they have not denied providing panels for Apple, you have even linked that article. So how is Samsung involved? It is like your first paragraph is reality and the following are speculation. Maybe Apple chose to go with another vendor, that has nothing to do with Samsung. I know this might blow some peoples mind, but Samsung isn't going to simply deny selling stuff. If Apple approached Samsung with a number that was not possible then maybe they didn't strike a deal, but this idea that Samsung won't do business with Apple is just foolish.
If Apple chose to go with a vendor that can't fulfill their orders, as your implying in your speculation, then that is just another mistake to a growing list Apple has made in the last year.