The other person commenting does have a point, if you're inviting a bunch of attendees from the 'global south' nations, there's many places in South America, Africa, where it is difficult, complicated and by no means guaranteed to get a Schengen zone visa. You can't just "go there".
Ah, good point, a number of the people going to RightsCon would by definition be coming from countries where this was difficult. I withdraw 'n apologise.
