[blue character points at a square] We've done a peer reviewed study, and concluded that all squares have four sides
[annoyed orange character points at a diamond shape] This is objectively wrong, I've personally seen a four sided structure that isn't a square
This has the same energy as that Tumblr thread* about how all odd numbers (in English) have an 'e' in them, and people butting in and saying things like "Nonsense! Eight is even and it has an e in it."
* The same thing may also have happened on Twitter if not elsewhere.