There was no reply button. No it's definitely a True Scotsman. When you cherry pick what authority to quote, and therefore imply it's the only true position to have, it's a true Scotsman. Your next line affirms this.
"My implication is that the person I am responding to is ignorant of the state of the law, "
And now you've moved onto the Courtier's reply.
"My implication is that the person I am responding to is ignorant of the state of the law, " And now you've moved onto the Courtier's reply.