Why did newspapers stop printing articles like these all at once right about 1950? 😆😂

Why did newspapers stop printing articles like these all at once right about 1950? 😆😂

newspaper clippings about flat earth and the cosmos from 1860-1960?
😁
...taught FE in school in early 1900's...? https://youtu.be/lAbbsl7tBRg

https://t.me/AntiDisinformation/13026
Link to rar archive of all the newspaper stills:
https://files.aethercosmology.com/s/FlatEarthNewsPaperClippings
https://t.me/AntiDisinformation/13047