https://www.popehat.com/2015/05/19/how-to-spot-and-critique-...
It's a meaningless saying that doesn't actually have any real bearing on the law or the first amendment.
Other examples besides claiming to be a doctor/lawyer while giving advice include: remarks that constitute credible threats to someone's life.
By the way, and appropriate to this thread, I am not a lawyer.
https://www.popehat.com/2015/05/19/how-to-spot-and-critique-...
It's a meaningless saying that doesn't actually have any real bearing on the law or the first amendment.