Depends on how you want to look at it. Deciding that you, as the current organizing team of a large-scale event, won't be responsible for possibly 10k people ca

Depends on how you want to look at it. Deciding that you, as the current organizing team of a large-scale event, won't be responsible for possibly 10k people catching it on your event is also a valid choice until someone steps up who can live with that. The congress taking place is a not some sort of god-given right.