Scientists propose 'mundanity' as an explanation for the Fermi Paradox

Imagine you're playing a video game and you've reached a really high level.

You've explored almost everything, and you know how to do all the cool tricks.

Now, imagine going to a new, different game.

At first, it's exciting, but soon you realize it's not that different from your old game.

The new things you find aren't that special anymore.

Scientists are wondering why we haven't met aliens yet, since the universe is so big.

One scientist thinks maybe aliens are like that player who's reached a high level.

They've explored a lot, and going to new places or trying to talk to new people (like us) might seem like a lot of work for not much reward.

Maybe they just don't find it interesting or worth the effort anymore.

So, they might not be hiding or gone, they might just be bored with exploring and contacting others.

We might still find signals from them, but they might be accidental, like someone humming a song without trying to be heard.