I have heard & read a lot about this debate. It's an issue that I am also debating about every time I cast on a project - should I use magic loop with the circular needle or should I just go with my dpns ?
I even taught a few classes on the magic loop & every one who attended the class love it & think that it's the greatest invention. Even 1st time sock knitters love it & would not even attempt using dpns. In my knitting groups, the scenario is the same - there are more knitters magic looping & less using dpns. WHY ?
As I cast on this pair of mittens for my niece, I was reminded again of this great debate. I just don't understand the love affair that everyone is having with magic loop. I have tried it many times & always ended up changing to my dpns as I just can't carry on pulling & pushing the cord. It's was an agony for me to finish a pair of socks & a pair of mittens for my class. I can't imagine using the magic loop for the rest of my life.
I have just cast off the mittens & enjoyed knitting every stitch with my dpns !