Probably a combination of all three reasons you listed. Covid did kill a lot of parties, and rightly so, and it's not over yet. That said, a lot of people seem

Probably a combination of all three reasons you listed. Covid did kill a lot of parties, and rightly so, and it's not over yet. That said, a lot of people seem to think Covid is over and are desperate to finally have a party again. Friends of ours celebrated their 12.5 years of marriage with a party on a big sailing ship. My wife and I celebrated our 15 years of marriage pretty big (food and drinks, board games and silent disco) and everybody loved it. So if you want parties, organise some. But maybe first check what the Covid infection rates in your area are...