[stareatgoats]

I used to think I was the only one, but now it seems we are two at least. In fact the main reason we haven't discovered advanced civilizations on other planets is likely that they learned not to disclose it - the hard way...

[lelandfe]

This is the plot of the very good sci-fi book The Three-Body Problem and its two sequels. It popularized the dark forest theory a sibling commenter linked to.

That is: if you’re in a forest that’s dead silent, and you’re wondering where all the animals are, it might not be a good idea to start shouting.

[digbybk]

You’re certainly not the only two. https://en.wikipedia.org/wiki/Dark_forest_hypothesis