Please go and read Wikipedia about Arthur C. Clarke without categorising countries into good or bad. What you are saying is not connected to smart scientist like Arthur C. Clarke. No matter where he lives he can do his work.

Edit: You are misleading everyone here in this forum. Please read third paragraph

https://en.org/wiki/Arthur_C._Clarke

Then You will find why he emigrated to Sri Lanka. There are good and bad things in every country. He enjoyed his late life in Sri Lanka with rich culture and amazing climate.

Please stop equating pedophiles with sexual predators.

The American society has worked past the "black man sexual predator boogeyman" and the "gay man sexual predator boogeyman". (Well, kind of)

Perpetuating this stereotype harms real people that are actively seeking help from therapists and other mental health institutions.

>I did not see any reference saying he emigrated because of wanting to scuba dive.

Then read up more about his life. There are multiple reasons he left the UK. He stated scuba diving in many of his works. Another potential reason was that he was gay, and the UK was not gay friendly at the time (reference Alan Turing).