Loading times, particularly in the 6th gen.
Gimmicky BS, whether that's the Wii or occasionally PS3 using motion controls badly or vita games using touch/back touch for the sake of it.
Proprietary memory. GC/PS2 memory cards were overpriced AF. Still remember someone who worked at Sony during the PS2 era said there were people literally laughing in a meeting about how much they could sell the 8mb memory cards for when they cost them a measly few dollars (later in the PS2's life) to make.







