Just gonna say this since I guess it’s a hot topic...
The subscribe button is a notification button
@TeamYouTube
Replying to @331EROCK @TeamYouTube
Yes, subscribe should = notifications, but make sure it actually works because the "bells" don't do much good either. Mine had all mysteriously switched from "all" to "occasionally", too. Everyone should check theirs. 
10:41 PM - 29 Mar 2018
0 replies
0 retweets
1 like
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
GUITARIST