A lot of console gamers are responding with hostility towards PC gamers who are upset about Modern Warfare's lack of dedicated server support. Some are calling PC gamers spoiled, and don't see a problem with them getting the same experience as console gamers.
But that is a problem. If the multiplayer in the PC version of Modern Warfare 2 is basically identical to that of the console versions, then the PC platform is losing functionality that has been standard in online PC gaming since years before Xbox Live hit the scene.
The question a lot of people are asking is, "Why should PC gamers have it better?" The question they should be asking is, "Why should console gamers have it worse?"