You derail threads with this because you can't refute the information in them. It's the same reason you avoid questions posed to you in threads about topics you've defended or supported.
I'll post a link when you embarrass yourself in the thread about the failure of Keynesian economics four threads down.
how is asking you to provide a link derailing a thread
all you've done in this thread is attempt to insult me
do you see me responding back to you in the same way ?