>literally the same height
You know Simon's leaning down there, right?
It's not that the plot, action, or animation is that good. Most people just like Kamina and his personality. Watching TTGL makes you feel really manly and hyped. Lines like "Lemme see ya grit those teeth" and "Who the hell do you think I am" are what carry the show. Plus, Kamina's hyper-machismo is made even more apparent in the dub, which is probably what most people that like TTGL watched.
I don't need this kind of link to the past
Look on the bright side, he got a wife in the end
Who he is destined to outlive and never be able to have children with and be forced to exist for all eternity, long past the time the rest of humanity dies out until eventually he gets trapped alone on a dead planet as the stars go out
We'll always have the Parallel Works.