It would take a lengthy essay to explain all the ways you've misunderstood how the law works in the United States, but in summary FHA rules only apply to FHA cases,
Furthermore, you seem to be conflating different meanings of the word "advertisement" where the one you've chosen to support your point is a broad meaning that would seem to make Barbie commercials that feature only girls illegal (which is obviously not the case).
Furthermore, you seem to be conflating different meanings of the word "advertisement" where the one you've chosen to support your point is a broad meaning that would seem to make Barbie commercials that feature only girls illegal (which is obviously not the case).