Why do flat Earthers still exist even though it is scientifically proven that the Earth is spherical?

Read also:

• Which album is your favorite that's now 50 years old (from 1975), and what's the best song on the album?
• Why cant I sleep on my side after getting my covid vaccine? I just got the shot and I’ve been overstimulated from not being able to sleep, my arm is very sore and it hurts so much to move and I just want to sleep but it hurts if I lay on either side
• Dark matter 'lampshades' dimming stars could solve one of the greatest scientific mysteries - Space
• Why do narcissists want to hurt your feelings, even after they discard you?
• Can you name a female actress who has had bad timing or luck in her film career?
• How exactly do things get smuggled into prison? Does the sender hide it inside something else very well? Does someone put it in their butt? Do the prisoners make deals with the officers?
• Which document should be pointed out to a holocaust denier?
• Democrat voters, why are you so naive, easy to manipulate, can't see a liar standing right in front of you and why won't you research your party? You will find they have a plan for all W. Nations and it's evil.
• How does a person become transgender?
• Why is the Middle East prone to terrorism?
• What was your most memorable experience catching a fraudulent car seller?