Women claims she was kicked off a plane because she is fat.

A women on a Alaska airlines flight was kicked off, she claims it is because she is fat (her words not mine). She goes by the name “fat trophy wife” on social media and is a “influencer”. The airline is saying they did not kick her off because of her weight but for a dress code violation. About a hour into the flight the women started taking off her clothes because she was hot. She took her shirt off and was just wearing a bra and shorts. She was asked to put her clothes back on and she did but was still removed from the flight.
The women is claiming she is being Discriminated against because she is fat. That if she was skinny no one would of said anything about just wearing a bra. The airline is saying it has nothing to do with her weight and it is a dress code violation.
Do you agree with the airline or should the women be allowed to just wear a bra (no shirt) on a plane?