You know, debunking idiots like this doesn't really bother me. Why? Because if I already know the answer, I also know where to find it quickly, and I can link to the correct information and let everyone else know what an idiot they are.
If I don't know much about it? Still doesn't bother me much, because in doing the research, I find out the real answers and then know where the true information is. Not only that, but it educates me and makes me better informed.
And sometimes, just sometimes though, they are telling the truth, and the research helps me to change my views and become better informed. There are trolls on both sides, it's up to us to find out what is real and what is just propaganda bullshit. The onus of finding out the truth lies with me since I have access to most information via the 'net.