and perhaps a more natural Schelling point than "I only drink 1-2 drinks per day"
This looks like conjecture. I regularly have a pint of beer (about 1.5 UK standard measures) with dinner and don't particularly feel I'm on a slippery slope either way.
My roommate recently sent me a review article that LW might find interesting:
Personal observation says that LWers tend not to drink very much or often. Perhaps that should change, to the degree suggested by the article?
Full article here.