Lmao straw man parses mean squat buddy. And while I've not raided in a fair while I know plenty of barbs and hox's who still kick demos in raid parses as they are the only parses that count and these guys clear t4 daily with alts hell I've played my poorly speed poorly geared dt and topped parses in pug T3 raids so if you know what you are doing how the mechanics of the class and the fight work most good barbs and I'm talking people who have raided since 08 will beat any demo you put in front of them dps wise.
Demo necro and sin are easy classes to play and get good figures with cause they are very forgiving classes and have a very low skill ceiling but the rest take skill to play well.