An ad-hominiem attack would have been to accuse the grandparent of being a shill or an idiot, and I did neither of those. I said their post betrayed a lack of u

An ad-hominiem attack would have been to accuse the grandparent of being a shill or an idiot, and I did neither of those. I said their post betrayed a lack of understanding (A.K.A. ignorance); I argued their points on their terms, and did not accuse them of malice or straw-man their argument. On the other hand, the grandparent did make a statement which could be considered ad hominiem: >"The US has always been a land for the rich to oppress the poor: the system encourages this. Those who care about the less fortunate are the minority."