Hate? Nah.
Disappointment in Nintendo - they could be doing so much more. Misplaced pride and tradition are hindering their growth IMO.
Extreme deep-seated mistrust of Microsoft - I know these are all big companies with money making in mind, but MS comes off so damn corporate and fake.
Frustration with Sony - despite being the most savvy of the three in this market, they make some absolutely baffling decisions occassionally. I know they need money, but putting most online play for PS4 behind a paywall MS-style is dirty pool, even if it may have the net positive effect of exposing more people to PS+ indies.