Well stated masak_aer!
I would just add that one sure can prove his ignorance by spending his hours "proving he is right." Like Audioholic's maxim states: "Pursuing the Truth..."; that is a maixim that can truly be extended to life. Who amongst us is so arrogant to believe the pursuit has stopped, at least for himself. Notice the present tense of "Pursuing." I think the Audioholics staff made a good selection when choosing that tense of that adverb.
One need not a masters degree in forensics to see a when an argument (or conversation) is prematurely and abruptly terminated by another. There are all sorts of acronyms that can (and should) be used: imo, imho, jfyi. In the case of jokes and humor, when it is clear a multitude of posters do not find it humorous, out of respect and consideration for others, one is well-advised to clearly state that he is joking; then only the careless reader risks being offended.
Just a little philosophy exercise for monday morning. A good day to all!