I think we've all become to numb and jaded. This is the first moon mission in 50 years and the furthest any human has ever been from Earth.
More than that, people today seem to be saturated with sarcasm.
It's especially tragic with younger people who seem to have no experience with handling genuine sincerity. They laugh nervously at it, as if they're unfamiliar with how to handle someone saying what they actually think and feel.
Indeed, the world is so grim these days that I welcome even a little bit of relief, a little bit of hope for a better future.