Of course it is usually best to ignore personal attacks on these forums.
Usually I try to, however in this case the individual is not content with my decision to leave the Canadian forum, he follows me to Pprune with these constant efforts to denigrate me.
He is anonymous therefore he is at no risk personally due to being anonymous.
I on the other hand have chosen to use my real name and get tired of being attacked by someone who hides behind a keyboard.