They appeal to sexuality specifically because it is edgy and shocking to a large percentage of the population. American media is quite prude on the whole.
Don't forget that many of the early settlerd in the USA were literally Puritans. Hard-right moralizing Christianity has always felt at home here.
Also, as stated in many other places in this thread, it's ridiculous to ascribe to change to Islam.
That's a non-sequitur. You're comparing a religion with a continent or a nation-state, depending on what you mean by American. If you mean Christian values, then no, they seem about the same. But I'm not a theologian and my opinion is uninformed and irrelevant.
Either way, it's clearly not because of Islamic values.
https://news.ycombinator.com/newsguidelines.html