We haven’t crossed any line — there have always been plenty of people who couldn’t tell the difference. It doesn’t mean they are or were stupid.
Sorry, my point was there are so many very easy ways to learn if they want to.
I’ve met people that, once told that it’s not a star it’s Jupiter, won’t believe you. Thus they cross over from ignorance into idiocy.
Agree or not, that was my point. I wasn’t trying to lump EVERYONE into that. I apologize for not taking the time at first to express that.