If people are starting threads on here asking advice, they do not yet know what floats their boat. That is what they are on here for. To get information so they can determine what floats their boat.
And, IMO, informal pissing contest threads like this are a valuable resource. I never would have picked the Rezound if I was only relying on advertising or the braindead Verizon sales reps. I would have ended up with the Galaxy Nexus or (more likely) the Razr. Haters and Fanboys are always the best source of information in general. They are the nerds of the phone world.
The competition doesn't have to have the best product. Just the best advertising or an appealing image.
Of course they might be happy with it. That doesnt mean they might not still wish they had gone with a competitor after the fact.
I was very happy with the Droid 1. But if I had it to do over again, I would have gone with the Nexus One instead. The Droid was great, but the Nexus was better, and had I consulted phone nerds at the time, I would have known that.
For people choosing a new phone, this is a big deal. Because we are committing ourselves to a long contract and an expensive phone. So it makes sense we would want all the information available before making a decision.