My attitude here is something like “one has to be able to work with moral monsters”.
You can work with them without inviting them to hang out with your friends.
This flavor of boycotting seems like it would generally be harmful to one’s epistemics to adopt as a policy.
Georgia did not say she was boycotting, nor calling for others not to attend—she explained why she didn’t want to be at an event where he was a featured speaker.
I think that’s what they meant you should not do when they said “Bulk preorders don’t count, and in fact hurt.”