2 adults is enough. There’s just too much demand these days. The festival needs to have a rethink.
People in groups might think it’s unfair that they don’t get to go with all their friends and family every year, but so what? It’s unfair that the less of you there are trying the less chance you have of being successful.
If you’re in a group of 6 all trying for tickets that makes it 6x more likely for each person to bag a ticket. Individuals shouldn’t be penalised because they don’t know anyone else who wants to go or because they want to go solo.