Not an answer but some cool digitized versions of related content!
Opening page to the Counterblaste: http://luna.folger.edu/luna/servlet/s/hs87j7
An image from a document in agreement with the counterblaste called "Two broad-sides against tobacco: The first given by King James of famous memory; his counterblast to tobacco. The second transcribed out of that learned physician Dr. Everard Maynwaringe, his treatise of the scurvy" as well as the title page of Maynwaringe's treatise:
As a follow up, how did James feel about his namesake Jamestown becoming a tobacco-based economy?