To many, even those who avidly use them everyday, noise-cancelling is a binary thing. A toggle. On or off. Yes or no. Click - and the silence makes makes the music sound better. It's nice, but often another box to tick on the average feature-set of today's over-ear headphones.
Very versatile noise-cancelling; Sound great
Touch controls still a bit gimmicky; Conventional; albeit convenient; form-factor