The second and third are the same incident, from the prior Trump administration. But the visa was denied; nobody was arrested or detained.
The fact is if you care about people from all around the world being able to attend your conference, the U.S. hasn’t been a good location for a long time. That’s not new. In fact [2][3] is only noteworthy because it was an influential individual (in this circle) with a strong passport; people with weaker passports are routinely denied. Hell sometimes UN diplomats are denied.
Right, but you did not give examples of that happening previously.
> The fact is if you care about people from all around the world being able to attend your conference, the U.S. hasn’t been a good location for a long time.
TFA says
> As an Internet community we strive to include everyone. Holding a meeting in the US is incompatible with our values.
It’s been incompatible with their values for very long.
I don't think this has been a basis for denying entry to people in past?