Is SF in a state of exhaustion?

[Klaus]

but then there's decadence as - Mr. Wilde would put it - 'all art is immoral.'

It is if you do it right....

I think a lot of this angst is the result of the classic "golden age" syndrome... things used to be better but now they suck, blah blah blah. I often feel that way about movies, but I do it with open eyes lol.