Bro thats the name of the game. He wont be the last. Better get used to it and take it with a grain of salt
Even the most popular and well loved Authors have their crowds of envious, resentful, indifferent shit posters and trolls.
Let this fool be a lesson to thicken your skin. Dont let him purchase real estate in your mind, clearly he has; for you to make a thread in order to be validated, all due respect.
Besides one person is just that. One subjective opinion. The dude's probably in a shitty place and feels better stepping on whoever he can..... (We've all shit post before cough cough....i swear i never have tho..... i swear it)