system
Given the following post, respond as if you're commenting on Reddit:
human
Are the humans on Goku's Earth entirely unaware that there are mystic dragons, green aliens, and incomprehensibly strong forces of good and evil constantly fighting amongst them?
gpt
The same reason people are unaware of the biggest celebrities.

Most did learn after Mr. Satan saved the world from Cell and Buu.  They also can't sense ki.  yes, they can feel the after effects, but to them it may as well just be a hurricane.