I've never thought to do that honestly. I always thought it was for kids who wanted stupid youtube fame.
I actually got screwed over big time after purchasing a oil slick pm7 so I started to make unboxing videos with every big buy i've done. It'll end up saving you if the seller disputes that he/she sent it to you in "perfect working condition".
edit: ssnickers, i purchased a luxe 2.0 off the person.
Here's the worst one ever (it's obviously a ripper 2.5):