One might assume that a step in the selection of a location is to look at some advice for travellers. One such source of information is the US State Department. (Not the source of all wisdom, but a source of some information.) https://travel.state.gov/content/passports/en/country/singapore.html has a sizeable section on LGBT rights and associate issues. Yes, this is hard to get right and people make mistakes. Yes, move on. How do we move on so: - this problem stops being a problem for IETF 100 - this problem does not recur Adrian