Governments are being too weak. In many countries they have a ban on gatherings and unnecessary travel but no laws to enforce these bans. If there are no consequences then a lot of people are just going to do as they please, especially younger people who have little to fear, as Cassie just mentioned.
This is an important test-run for future, and much worse, pandemics so we should try to get it as correct as we can.
I guess we can also learn from horrible mistakes, but I'd rather not personally.