One, that gloom thing has nothing to do with Natural Selection, I'm fairly certain. Natural Selection 2 is, surprisingly, the successor to Natural Selection.
Natural Selection, which not surprisingly was influenced by Gloom and from feedback from its ex player base. Played both for years. Both great games, but similarities between the two meant that all us Gloomers were able to jump right in a play NS versions of our favorite classes. It functionally plays out very similar, but with many improvements, which is why most Gloomers just moved on to NS.
Two, the game isn't really that hard to pick up. The people complaining are the baddies that do not make up a good game, i.e CoD kiddies and the like.
True. Unfortunately, there's not much to do about them besides wait until they leave. That's just how launch is going to go. Lots of annoyance until those types of anti-teamwork players leave.
Three, everybody has to learn how to commander at some point.
Everyone needs to learn and everyone has first days, but that's not an excuse to not even try. It's the commanders who don't even have the slightest idea. They've never started singleplayer to check out the interface. They have never played a similar type of game and they don't know how to build even the simplest things like resource towers or upgrades. They won't respond to gentle attempts to steer them in the right direction and they aren't interested in communicating.
You don't sit there reading over upgrades and things for twenty minutes while holding an entire server hostage. Play a few games on the ground before trying to command.
It's just rude and selfish. It would be like showing up first day on your job as bus driver having never driven a bus, never even looked at your route, and now everyone is an hour late because you were too lazy to even attempt to prepare.