Why were the two choices limited to regimes that censor the press, fetter the internet and have major issues with human rights?

Thanks for your response.

That is a good point, and question, that needs to be asked/raised imho.

http://metro.co.uk/2015/07/30/basically-raw-sewage-athletes-at-rio-olympics-are-going-to-be-swimming-in-polluted-water-5320215/

Regarding the current Rio Summer Olympics it seems the swimmers will be swimming in raw sewage due to most of Rio's sewage flowing untreated into rivers.

http://www.theguardian.com/sport/2014/apr/29/rio-2016-olympic-preparations-worst-ever-ioc

This article from 2014 reckons the preparations for 2016 to have been worse than the Athens games, and even the greeks rallied round and pulled it together at the end.