We -- humankind -- has been lucky that we haven't already been destroyed by something of external origin or something of our own doing. Don't assume things must get better; things can go horrifically wrong and stay that way.
We are, most likely, just another blip in the cosmos.
We don't spend much capital on preparing for disaster (COVID-19 being a rather tame and imminently predictable example -- and let's not even consider less-likely existential risks like asteroid impacts), we are racing to destroy our ecosystems (global warming being, again, a rather obvious example with imminently predictable outcomes), and we are eagerly destroying nearly every pillar of our society (e.g., due to widespread corruption, unabashed rent-seeking, and grotesque inequality, we have little reason to have any confidence in even so-called democratic governments).
We are ruled by small-minded people who can't see past their own noses. Never forget that we are tribal apes who are barely out of the forest. At our best, we look up at the stars and have the capacity to wonder, but at our normal we are a petty, vengeful, war-like us-vs-them territorial ape who, in our limited capacity for reason, took thousands of years to figure out the basic tenet of science: is this true? Let's test it!