things that will get you downvoted include statements like "wtf, you apparently don't know..." 1) impolite. 2) your comments should concentrate on what you can

things that will get you downvoted include statements like "wtf, you apparently don't know..." 1) impolite. 2) your comments should concentrate on what you can add to the convo, not what others haven't. I mean, it also doesn't help that your statement was incorrect (P-system as mentioned), but being rude in what is ideally a civil forum dedicated to a stated purpose is not helpful.