So what would the US have to do to be thought of as NOT sexphobic by you? Have a picture-in-picture on every channel of hardcore intercourse? People having sex openly in the streets? There is a difference between sexphobic and civilized.
No, it would be enough NOT to consider pornography as something you can use to reduce the credibility of someone. The (in your opinion) extremes that your are citing just show how uncomfortable you are with the idea of making love to someone in a public place you even go so far as making this discomfort a driving force behind your definition of "civilized".
"It may be that our role on this planet is not to worship God but to create him." -Arthur C. Clarke