The best way to counter-attack a hater is to make it blatantly obvious that their attack has had no impact on you.
Tim FerrissOnline I see people committing 'social media suicide' all the time by one of two ways. Firstly by responding to all criticism, meaning you're never going to find time to complete important milestones of your own, and by responding to things that don't warrant a response. This lends more credibility by driving traffic.
Tim FerrissIf you spend your time, worth $20-25 per hour, doing something that someone else will do for $10 per hour, it's simply a poor use of resources.
Tim Ferriss