My biggest problem with the block/mute feature is that, unless I didn't notice a sudden change, muting and blocking are one and the same. There are plenty of people that I block just because I don't want to have to deal with listening to them. It is bad, but sometimes you just can't listen to the squeaky voices, or the over-amped microphones, or the music/echo/etc. I don't necessarily want to block said people. Just not audibly hear them. It would be sort of nice to have distinct options.