Word of mouth is a powerful thing. There are many Wii games shunned by the gaming community, even in certain Wii message boards (eg. the one in GameFAQs), but they still reached 1 mill worldwide.
If anything those so called "gaming communities" should have a demographic change. If something really went over 1 mill, they should at least give credit for the good aspects.
My collection of guides on GameFAQs: Read them here
My latest guide on GameFAQs, for Little King's Story! Read it here