[jlg23]

1) To ensure that known trolls/predators do not show up.

2) Probably because consent can be enforced this way much easier than it can be created in a real discourse. Especially in Germany it is frowned up by leftists to even talk with people from the right-wing spectrum.

I get (1), but (2) makes me wonder whether we learned anything from history at all.

[hbaav6]

How does using a Twitter blocklist achieve 1)?

[jlg23]

You keep them out of the loop to some degree and would check against that list during registration. It apparently catches some at least, I am told.

I also know of 2 larger conferences in Europe where accounts were monitored and if activity indicates the person is present, they were removed from the venue by security.

[Sir_Substance]

>It apparently catches some at least, I am told.

Statistically speaking it should. Do you know if it's proportionally better than just blocking 1 in 10 would-be attendees at random?