I would agree, that appealing to a persons occupation is a low blow, and has nothing to do with the discussion. It’s also unnecessary and one would be further ahead to just stick to the bad reasoning.
It is said that an argument is what convinces reasonable men and a proof is what it takes to convince even an unreasonable man. - Alexander Vilenkin
If I am shown my error, I will be the first to throw my books into the fire. - Martin Luther
If I am shown my error, I will be the first to throw my books into the fire. - Martin Luther