there's a lot more to it than just "there's a whole lotta planets so there's gotta be something!"

the numbers on the left are the years, in millions, that have passed since then
we're just at the very tip top
even mammals in general are seriously close to the top
even
dinosaurs are only at the 250 million years ago mark
but all that really matters is us
any non-sapient life on other planets is irrelevant
we're only like 200,000 years old, and
recorded history is only around 5,000 years so we are BABIES, and we've already come alarmingly close to destruction like three times