Debating with deniers is a good thing to do if you want to waste enormous amounts of your personal time and energy for the sake of appeasing your own flaming ego...which is what the deniers are doing too.

It's a behavioral addiction. It's as easy to do it as it is to fall off a tightrope too, specially if you post on an internet forum like this one on a daily basis.

There should be a 12-step program out there to save people from this useless habit.