I owned two devices that actually got their updates when promised. The G1 and G2 both received promised updates when promised.
Also, I have flashed, it was a bit of a headache, but I did it. I am enjoying it as well.
I disagree that people should not say anything. That is a horrible negative message to send out. Yes, we shouldn't and moan about it if we never follow through with any actions. Yet, if you do file a complaint or take some sort of other action, then your complaining/venting is valid. Namely, because you actually did something about it. Companies don't always follow through on their promises, because they know the majority of people won't complain, those who do are told to stop by those who don't see a point.
It's sound advice to tell someone to flash, but we should be supporting each other, not trying to separate each other.