I don’t blame anyone for making fun of older BlackBerrys. Seriously, stop carrying that Curve. But I just don’t get the latest trend of pooh-poohing any sort of a comeback for the company formerly known as RIM. Overall, the detractors don’t get that BlackBerry 10 offers a number of unique advantages for smartphone shoppers — not just longtime CrackBerry addicts. Here are five reasons why the BlackBerry bashers have it wrong.