Earlier quoted context omitted.
I think the point was not properly made on their behalf. That said, do the organizers of the conference have any saying on the politics on their country and actually deserve to be punished because of them? I don't really think so.
Indeed. Would the PSF deny funds to an event in the USA due to Trump's Muslim ban? How about if a country has a big pro-Israel or anti-Israel protest that the PSF doesn't like -- is that a legitimate reason to deny funds for events in that country? An event like DjangoCon in Tanzania is most likely going to be a tiny step forward for LGBT rights there. The organizers are probably more liberal than the average Tanzani…
The board is accountable for relating their mission statement to their budget. The highest bang for their buck might not be an on-prem conference.