I think what you're seeing here is not that we're dismissing all problems but that we look at some problems (say, distributed systems) and think "Man, our lives

I think what you're seeing here is not that we're dismissing all problems but that we look at some problems (say, distributed systems) and think "Man, our lives would be so much easier if we were purer." Of course there are trade offs, but when these new circumstances come up, it does nicely vindicate the extremists. :-)