As someone else in the thread has already pointed out, which one do you think will be less stressful and noticeably easier to manage - deciding what to do for dinner for a group of 3 people vs. a group of 30 people? It is much easier to converge on a decision that will leave everyone satisfied when you have 3 people. While with 30 people, it is almost guaranteed that there will be a few people who would be left unsatisfied, a few satisfied, while the remainder will just end up being "ok" with the compromise.