How are FKK spas (the ones listed as brothels on google maps) half assed solutions for legalized prostitution, they are brothels grander than anything seen on G

How are FKK spas (the ones listed as brothels on google maps) half assed solutions for legalized prostitution, they are brothels grander than anything seen on Game of Thrones Their sites are pretty clear about what they are and they are the registered institutions for that sex trade that the registered sex workers work in, if their area requires them to operate out of a brothel.