So if he phrased it as “The kind of person who would ask a question like this is a dumbass” not be immature name calling? Becuase that’d successfully not cross this weird line in the sand you’ve drawn
I think it would just be a subjective opinion at that point.
And it’s not my line in the sand, but the actual definition:
Name-calling is a form of argument in which insulting or demeaning labels are directed at an individual or group.