A couple of the support staff do pay attention, yes, but they'll usually only post if they have an actual opinion about the topic, or have news they are willing to share leaning towards a "yes, we have this planned" type of deal.
For instance, on Dec 29 Arrakis09 posted: "This feature will be added in later stages of development. At the moment it would create problems on both - client and server side. But it will be added eventually
"
In response to a Suggestion thread for logging out or "Exit game to character selection."
Saxxon also posts fairly frequently as a Global Moderator of these forums, and seems to be filling the role of "Community Manager/Liason" currently.
Will they respond just because you request it, doubtful, or else 1000s of other customers will demand they respond to any suggestion that they can come up with, good or bad.