The editorial boards of both national newspapers, as well as various opinion columnists, have condemned the Law Society’s initiative. You may wish to review these links if you haven’t already done so:
Editorial Board Denunciations:
Professor Art Cockfield, published in Queen’s Law Research Paper Series, "Limiting Lawyer Liberty: How the Statement of Principles Coerces Speech"
SLAW (Alice Woolley): Ontario’s Law Society: Orwell’s Big Brother or Fuller’s Rex? (particularly noting the comments following the article)