EDIT: for clarity, removing rhetoricals Strictly speaking it's not ad hominem. A careful reader will see that nowhere has (s)he called you a "spoiled petulant,

EDIT: for clarity, removing rhetoricals Strictly speaking it's not ad hominem. A careful reader will see that nowhere has (s)he called you a "spoiled petulant, self entitled child". You're merely being asked to explain your understanding of the meaning of a highly pejorative term which you introduced into the discourse.