Part of the fun of TTGL is that normally you'd stumble onto

"Our friends' hopes and dreams are etched into its body, transforming the infinite darkness into light! Unmatched in Heaven and Earth, one machine equal to the gods!" "SUPER GALAXY GURREN LAGANN!" "We're gonna show you the power... of the human race."

and be like "ehh, that's kinda silly".

After 20+ episodes? Your brain is sufficiently gooey that you just go "wooow..."