Probably because it's so darn old. The marketing guru's are always harping on all that's "new and improved" and that older stuff is just gonna become relics, Right? When I was real young back in the 1950's I can recall old timers talking about the "aught-six" and in my childish ignorance I thought it must have been some kind of super powerful dangerous game cartridge or something. So its had a good reputation for so long that its competitors just have to promote themselves in any manner possible even if it incudes bad mouthing one of the old classics. " A .30-06 ?.... Nah; Maybe grandpa liked it but we got something better right here on the rack"..... And so goes the marketing & sales hype. Funny part of it all is that with modern powders & bullets the old .30-06 is better than ever but old stereotypes still persist.