The fact that I agree with the viewpoint of the Anti-Spirals does have something to do with this, why do you ask.
.... I think... we might be enemies now.
Simon, Madoka Kaname and all the Doctors might agree with you there.
Eh, on a serious note, to play devil's advocate, from a certain point of view, the Anti-Spirals had a point. Even if they got disproved- pretty sure pissing off the rest of the universe (it was mentioned there were rebellions apart from the Dai-Gurren Brigade) and the finale showing the world capable of living responsibly with Spiral Power (and conferring with aliens, sending a Beastman of all people as the human representative) kinda proved otherwise.
Overuse of Spiral Energy could lead to blowing up a universe. Then the Anti-Spirals DID use Spiral Energy in the end, and DID end up blowing up a universe. Also, note that Simon basically created a god out of Spiral Power.
Not to say that the Anti-Spirals were right to be pricks, but there was a point to telling people 'DON'T OVERUSE SPIRAL POWER'. Note the 'overuse' term. It's shown to be perfectly okay to use Spiral Power in moderation- hell, even beneficial. Long as you aren't using it to some godlike purpose (Simon in the climax, Lordgenome, the Anti-Spirals), Spiral Nemesis won't happen.
