That's a good story. If you support the status quo, that's the story you tell. But it isn't accurate.
If you have any kind of rough consensus, or even just lack of strong consensus to oppose a change, then support of the majority of miners is sufficient to make any change you want. That's the reality.
Yes, that's true. But the miners here are not changing things right now. They are sticking with the 1MB version which exists since the days of Satoshi because
a) one proposal isn't ready
b) the other proposal is nightmarish
c) if either proposal is followed without consent, you have 2 competing coins / you have doubled the monetary base / diluted coins / led to mass dumping from unbelievers of the X or Y fork / created distrust for the future of the currency because such forks may repeat again and again.