Yes. Marquez' motivation is really something to behold - and VR only stoked the fire with the 2015 shenanigans.
And dare I suggest that a certain mass of yellow wearing minions, prone to boo and deride riders other than their god are somewhat maintaining that rage and focus, possibly even driving Marquez to be even better.
The Sepang shenanigans started what seems to still be burning greatly within, if the recent smackdown of the booing brigade is a guide (all IMO of course)