Thoughts on this quote about GOD

I was catching up on The Game of Thrones TV show. And there was a scene where a smuggler wanted to convince a pirate to help him use his ships for war. The smugglers son said something about his God being the one true God. Then the pirate said:

"I've been all over the world my boy and everywhere I go people tell me about this one true god and they all think they found the right one. The one true GOD is between a woman's legs. Better yet a queen's legs."

then turns to the smuggler and says:

"I would have never thought you'd have a true believer for a son."

I know it's a script from a TV show but could there be SOME truth to the pirates words? Every other culture worships a different god or gods...some with the same story. And if you really want reach, you could substitute "sex" for money?

Perhaps it is because anyone, regardless of who or where they are, are capable of understanding that everyone and everything comes from a single source.