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

Read also:

• A Giant Mouth Has Opened on The Sun And Even It Looks Surprised - ScienceAlert
• Why aren't F1 cars popular on the street?
• Samsung is giving these Galaxy phones a big One UI upgrade - here's which models qualify - ZDNET
• Do women lack the mental strength to succeed at STEM? There seems to be few women at STEM and more women leave STEM after a time of working at it. How can it be just sexism if women aren't banned from entering?
• How can one justify in Sweden that total subsidies for public green energy initiatives being approximately 8.2 billion SEK per year? Electric cars at market price typically cost an average of 500,000 SEK which is above household budgets.
• What is your review of Kota Factory Season 3 (TVF Original)?
• Nephrologist shares signs to know if your kidneys are not healthy: 'Weight loss and poor appetite to swelling in…' - Hindustan Times
• How do you explain BYD selling more battery electric vehicles than Tesla in Europe for the first time in April?
• What steps have you taken to stop being a targeted individual by gang stalkers? What has worked, what would you have done differently?
• 49ers Sign WR Malik Knowles, Place WR Trent Taylor on IR, and Other Roster Moves - San Francisco 49ers