Why is it overwhelming and low-key embarrassing to admit we don't know something, online?

Assistant prof, dabbles in art at times.
She/her

I think it's the opposite for me. Y'all are just a bunch of anons at the end of the day

Mediocre programmer, average gymbro, wannabe photographer

True, but when I think of what image I present of myself anywhere, I am worried at times as to how people perceive me, even if they are strangers. I care about what people think of me I guess😅 
Not advisable ik, but it is what it is 🏃

Understandable. I gotta worry less about people i haven't seen🏃

I have a similar mindset, but for real life people. I worry too much about the image I present, but on the internet I don't care if I'm perceived as a dumb guy