This is one of few memes i really dislike. It is true, if you floss or use interdental brushes your gums wont bleed.
It’s such an easy thing you can test for yourself I’m kind of surprised so many people don’t understand that it works. Do you also ignore the advice you get from doctors?
“sorry Timmy, I know you were just born but you’re citizen nr 1000001 so we will have to deport you”