This is more of an open - discussion question as opposed to a straight question-and-answer, if this is inappropriate for this forum please tell me.
In the numerous presentations and interviews regarding the genesis of the Playstation 4 Mark Cerny said he faced some resistance regarding making the PS4`s architecture based on the x86. He had to convince a number of people,including third parties, that it was "suitable for games".
PC game developers have had no choice but use x86 architecture for their games for several generations with spectacular results (despite not having the same kind of low level access to a GPU like you do on consoles) so why would people:
a) need persuading
b) what kind of objections would they have?