They dropped the recommendation since the legal requirements for evidence were not met. That's not the same thing as stating flossing has no benefits. Although from some associated stories folks were saying modern toothbrushes were able to clean the same areas as flossing, which implies flossing may once have been useful but no longer useful. For myself, I will keep doing it due to the various bits of food that get stuck here and there. My toothbrush might get them, unless I am not as careful or not paying attention when I brush that area, which is a real possibility. We'll call it a useful backup method.