It would be better if the championship was not moved at all and arranged it without an audience in the hall. After all, most of the championship takes place online with a broadcast on YouTube. This would prevent the possibility of a virus infection and we would be able to place bets on our favorite teams.
Dead crown?
No thanks, DOTA 2 not just about the game also enthusiasm the community was really high. Instance held a tournament without an audience better to cancel it at all.
Yes, Valve will not allow this to happen again. They have allowed this to one CS:GO event, yes, only staffs, players and teams were inside the event and there were no fans because of the circumstances that they've faced.
With the said new mechanics about the regionals, it's okay to conduct online matches and no problem with those casters and broadcasts because there are a lot of companies that do cover it. But the championship? if you mean about major or the biggest event for Dota 2 which is TI, I think it they will just move the date.