The fact is that he spent several months and a portion of the game's budget to make PT behind the backs of Konami's leads was what lead to content to be cut to make the 2015 deadline and prompting his demotion into a contract worker.
Scream all you want but the signs and clues are there. The guy got bored of Metal Gear during development and because of his prior position he thought he could get away with wasting resources from V then got a rude awakening when the rest of the company wasn't on board after coming back from their annual fiscal report in april.