If you've got to get a years worth of a prescription ,a month at a time, you'll probably do it via the mail. If you're getting a one time prescription, you'll probably go to a pharmacy locally. I don't think this is going to change much looking ahead into the future, regardless of what politicians try to do.
WAG, RAD, and CVS shook hands with 3rd party devil to get rid of AWP + 18% to shake out mom and pop stores with AWP -5%, so now retail chains will have to live with the devil in BK hell. Talk about bad kharma.