I can understand that you like the freedom, but I like a more limited game to keep most of the games in line and very authentic. I don't want to need playgroups or clans to establish good games. I want to go online, find a server and play a nice realistic game where no one is able to do too much s**t which ruins my gaming experience. But I can understand you in this point.
About the alien movement I'm too much a perfectionist and I know it wouldn't be nowhere to close to the "real" alien movement.