It is against the law. That means that society, as a whole, has decided that this is immoral.

No one forces you to stare at the girl

So that means that its morally okay to kill everyone who looks at me (“No one forces then to look at me!”)?

Why is your ethics enforceable, but other people’s aren’t?

Because ethics are only enforcable through laws and the laws currently enforce “my” ethics in that regard.

Why does she have less right to practice her ethical choice to expose her body (assuming by your answer you would have offense)?

Whether that is morally right is an ethical question but would you say the same about a minor (exposing themselves)?

Ethics is very subjective

Exactly, so what is the issue with the company having moral concerns about it and shutting it down?