Currently, public sub counts are abbreviated in most but not all places across YouTube. In August, we’ll make this more consistent by always showing abbreviated sub counts publicly. Creators: You’ll still see your full sub count in Studio! Learn more → http://yt.be/help/abbrev-count …pic.twitter.com/pmaKk4EU4k
This is a change that nobody wants so maybe you should listen to your users for once and not implement it? YouTube has been going downhill for years now. How long until you stop making it worse and start making it better by listening to feedback?