Of course, the rest of the Arab world foisted the PLO leadership onto Tunis during the 70s and 80s -- but that was only because they didn't want to host them themselves.
They are (or maybe, were) the one of the only nations in that area that do/did not have a radical Islamist insurgency problem. And that was primarily due to the fact that the nation as a whole is very laid back and the government is not repressive to any significant degree.
Don't know but you have to bet that their tourist business just went into the tank. Especially from Germany.