We have long since entered into an "Eternal September" in regards to things like this. For everyone that knows not to feed the trolls there are seven people who

We have long since entered into an "Eternal September" in regards to things like this. For everyone that knows not to feed the trolls there are seven people who are happy to do it. Trolls are also getting increasingly more adept at not appearing like trolls - their entire goal is to draw you in, if it's too easy to spot then it doesn't work. They adapt and evolve just like the rest of us.