Yeah, no. It's absurd that this nonsense keeps coming up.
His argument has never been that Bill C-16 by itself would implement compelled speech. The Ontario Human Rights Commission guidelines (that the Canadian Department of Justice claim they will use to define key terms and examples, because the Bill itself does not do so) are what introduce the troublesome language that could be used against someone, like Peterson, if they refuse to use the never ending list of "non-binary gender" pronouns.
http://www.ohrc.on.ca/en/questions-a...y-and-pronouns
Refusing to refer to a trans person by their chosen name and a personal pronoun that matches their gender identity, or purposely misgendering, will likely be discrimination when it takes place in a social area covered by the Code, including employment, housing and services like education. The law is otherwise unsettled as to whether someone can insist on any one gender-neutral pronoun in particular.
So no, he wasn't lying. If anyone is lying it's the people who routinely misrepresent his argument (which is consistently pointed out in every Peterson two minute hate thread that pops up), despite how many times he's explained his opposition to the bill in clear, concise language in print, on video, and at the Senate hearing for the bill.