Dan,
A few days ago I forwarded your concerns, and this full thread, to our Ad Sales department and our Director of Site Development.
When I see threads that provide user feedback, if it is related to Discuss, I respond, and if it is related to another area, I forward it on to the appropriate parties. Sometimes my co-workers will reply on the forums, or via e-mail, or not reply but use the comments to shape their decisions going forward. I can see how the latter makes it seem like we're not listening, so in the future I will let you know that I've forwarded the message on.
Regards,
M*_Darrin