I agree, in that I think there is always room for improvement. What I think needs to be criticized is a tendency to go on these wild goose chases searching for

I agree, in that I think there is always room for improvement. What I think needs to be criticized is a tendency to go on these wild goose chases searching for a magic factor that will explain everything, when there are other obvious factors nearly staring us in the face that we don't want to address. It's the opposite of Occam's razor.