[the OlLine Rebel]

I think there could be other sentient people in the universe.

I just seriously doubt so many would be coming here suddenly in the last century-minus, esp. w/o real contact.

IOW, most stories are false or major misunderstandings.

[cgbg]

Read Vallee—there is a long long history of this stuff—everywhere in the world:

https://www.amazon.com/Passport-Magonia-Folklore-Flying-Saucers/dp/0987422480

[frogjerk]

I think there could be other sentient people in the universe.

Entirely possible. It could also be that we are the most advanced. That would be a sad state of affairs just take a look at TikTok.