Prostitution isn't legal either in most civilized countries either, both on the provider and the client's side of things.
Granted we now have to debate what a civilised country is, not to mention the underlying point still stands, but I am not sure of the numbers there. A quick search says the numbers probably skew over 50% in favour of legal
http://prostitution.procon.org/view.resource.php?resourceID=000772
Canada, Australia, New Zealand, a lot of Europe and Japan have some pretty lax laws, I would include the US but it is mainly certain counties within Nevada and it feels a bit like reaching to include the rest of the country.
You mean you do not fill up an imaginary bar with gifts, persistence and pleasant conversation?.... that would explain a few things.Well, I could see kids if very young kids (too young to be playing the Sims anyway), played they could get the wrong ideas about how sex is usually performed.