This seems wrong to me. Most society rules have a reason to exist. Maybe, in the past century a few of that rules have become obsolete. But humanity is excellent at creating rules that makes things good enough to keep going.
There is nothing that makes a society change its rules like a change on the environment.
> We should not be surprised that Western societies are showing signs of mass psychosis.
The "everything is going to hell" theory. And, as often happens, without any proof or care to explain.
> More generally, locked in, locked down, and locked out, the population’s confinement within the highly controlled environment of the internet is driving them crazy.
*Them. I guess that the author is immune to this effect.
I love festivals, and they make for a great opportunity to meet people and create community. Also, festivals are an opportunity for a community to present respect to folklore heroes and their moral values, and to laugh at villain and their lack thereof. Festivals are not to for "blow off steam".