I used to rip/rub my clothes - absolutely loved the texture of the hems of a ripped up pair of jeans. It’s socially a little odd to keep a piece of denim in your pocket to fidget with.
But my beard? Always with me. Accessible 24/7. The texture is always changing and interesting. Stroking my beard makes me look like a smart person thinking about things. A+++
I responded at the tail of this back and forth, but in case no one cares to click through that conversation - you are incorrect.
No research indicates a lack of beard oil could cause greying.