He didn't misunderstand. He likes starting arguments, and he's really just waiting for an opportunity to tell you about the silly flavor of lisp he invented.
His point is simple. Argument poster was wrong, isn't being helpful, and has a pattern of doing this.
By the by, there was no ad hominem there. Ad hominem is when you insult someone as a way to avoid what they're saying. What this person is saying has not been avoided.
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He didn't misunderstand. He likes starting arguments, and he's really just waiting for an opportunity to tell you about the silly flavor of lisp he invented.
Being helpful or on-topic is not his goal.
This is on topic for implementing a lisp parser, though. Not sure what your point beyond this ad hominem is.
His point is simple. Argument poster was wrong, isn't being helpful, and has a pattern of doing this.
By the by, there was no ad hominem there. Ad hominem is when you insult someone as a way to avoid what they're saying. What this person is saying has not been avoided.
Probably put the fallacies away: https://laurencetennant.com/bonds/bdksucks.html
Saying that "he just wants to tell you about the silly flavor of lisp he invented" isn't exactly constructive either, especially when it's relevant.