There's this great article I came across a few weeks ago:
https://www.theatlantic.com/science/archive/2018/03/human-ex...
About how we may expect life to be more prevalent than it is because our own existence is so miraculous. Though the other side is - if the universe is so large, with so many planets, then there may be a chance that there's life out there that's just as incredibly lucky as us.