War fucking sucks ass. We should be focusing on science, education, and preservation of the different species on this planet. If we actually focused our efforts, we could be mining asteroids and building large space stations within mere decades.

However, there's also not a whole lot of room for that when your unwashed, idiot neighbors get a bunch of nuclear-tipped missiles and decide to launch rockets over your country for food concessions, since they spend literally all their budget on nuclear research.

It also is a bit of a bummer when a larger neighbor decides that all of your bases belong to them.

The world (or, if we make it this far,) the stars will always have the dumbasses of the galaxy, like the Putins, the Xis, and the Kim Jong Uns seeking to cling onto a ratty postage stamp of power, and will tear down everything to cling to it. It's everyone's responsibility to make sure that it doesn't happen; that they aren't allowed to destroy everything for 15 minutes of power.

So that's why we have war. It's shitty, a massive waste of time, effort, and resources, but we have to drag that son of a bitch out whenever someone gets the ass and decides that the modicum of power they have is not enough anymore.