DPN vs Magic Loop vs 9” circular

Hi everyone! I want to make my first pair of colorwork, mittens, but I have seen most patterns using double pointed needles. I have learned how to knit on a circular needle, with the magic loop. Is there any benefit in using double pointed needles instead of the magic loop? It seems intimidating and I’d have to buy a set. Has anyone used the 9 inch circular needles? Is the main complaint that it’s hard to hold onto the needles because they’re short?