Since gaming now lives at http://YouTube.com/gaming , the old Gaming app is going away on May 30th! If you were subscribed to channels in the Gaming app, they’ll automatically move to your YouTube subs feed on May 14th. More need-to-know info→ https://yt.be/help/yRe4
I would like to kindly call you out for that answer - you see, we’re talking an unusual amount of unsubscribes (my channel had 200k before this tweet, then now has dropped about 60 a day). I’ve not uploaded anything since the Gaming app migrating & all. Users rediscovering me