Well, I've heard both, and since the preference is rather subjective, I suppose both are right. The presence of one doesn't harm or prevent the use of the other. I fall into the SDB camp, personally, as I never used my cabinets to begin with -- I found having to use bags to store more than a handful of objects annoying and found having to drop bags to take out a bag just to see what was in the bag a giant pain that I plan to never repeat.
But what members of both camps I've spoken to agree on: damn would it be awesome, incredibly useful, and decrease loading times if we could store SDBs in cabinets. C'mon Tiny Speck, make my day.