And that's what people like that want you to do, take time out of your busy schedule to spend time finding the research and links to bring his lazy a** up to speed. It's like trying to marathon speed teach a recalcitrant 12 year old advanced math just so you can hold an intelligent discussion with them about theoretical physics. Why bother? If he had enough energy, time, and fingertips, to type his comment then that means he can make that same effort to do his own research.