Probably a android software thing (nougat) instead of a note 8 thing.
I love ability to press and hold app icons to bring up a menu and the best thing on the menu is clear badge imo
In the past I have had to remove Facebook because app icon will have a notification number on it on my phone or tablet. I have some oddball OCD thing that I hate seeking the numbers on them. So I would go K tk see if someone liked a post, replied, tagged me or something that would get a notification. Click on them to clear those out. Go back on phone or tablet and still see notifications nimble on icon after o know o went I and it should have cleared.
Has drove me crazy in past to the point that i would put icon on different page so I would not see it, remove icon so it was only on all drawer so I would not see it... Or completely remove app from phone or tablet.
Now with clear badge option... I just click that and it removes the notification number on my app icon.
Silly I know n but it can drive me crazy.
I even hate seeing numbers on any folder in my work email indication g unread emails. I have to make sire they are all clear. Silly OCD type stuff.