Does Square Jaw mean someone claiming to be a woman is transgender or can biological women have square Jaws?

Apparently there is a whole website devoted to women with square jaws

Do you think this person looks like a cis gender woman or a transgender person?

Source for picture

https://web.archive.org/web/20230526041431/https://i0.wp.com/www.squarejawedwomen.com/wp-content/uploads/2023/04/Benj_Profile_photography_of_a_square_jawed_asian_woman_with_ver_0b2dbc2d-1f1f-4699-bbda-2a4e4469b3b2.png?w=1024&ssl=1

https://web.archive.org/web/20230407194939/https://www.squarejawedwomen.com/superb-asian-woman-with-massive-facial-structure/