Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Because they think they're gods, are trying to take over the world, invade people for no reason, and worship the person with the biggest gun. Case closed.
In short, if you do not wish to associate yourself with the Military portion of the group then don't. You may simply choose another position to take up.
Well we have a lot of other positions for our agents to take up if the Military isn't your thing. Though it is true we have a Team of poke battlers that make up our military we also have Scientists, Intelligence Agents (spies) and recruitment officers.