Now, lets see if Poptech is capable of explaining anything fundamental.
A few questions for Poptech:
Describe the geophysical drivers of the MWP?
Describe the geophysical driver of today's AGW?
Why do you ignore that the scientific community has spent enormous amounts of time and effort studying the MWP and the LIA, along with the entire climate history in our past, to the best of modern abilities?
Don't you know that the lessons from those earlier fluctuation are being thoroughly incorporated into today's understanding?
Poptech, what about this list?