I grew up loving Star Trek/Wars/Search so I wish aliens exist but I kind of doubt that , if they are real, they are coming billions of miles to visit us just to hide .
Naturalist do the same thing when studying animal behavior.
The set up a blind near where the animal lives. They go away for a few weeks to allow the animals to grow used to the blind.
Then they come back and sit in the blind to see the animals behavior when humans are not present.
If the aliens want to see our typical behavior then they don’t want us to know they are here.
If they want to set up trade agreements then they announce their presence.
I don’t know if they exist, but the all voted for Biden.
A light-year is 5.88 TRILLION miles...
The closest star is something like a little over 4 light years is i remember correctly.
Maybe they can give us their Warp technology.
Solve both world hunger and disease.
Especially important give us the cure for baldness..
They came to teach the Egyptians to brew beer!