[confutio]

If you actually watch the video, it isn't exactly encouraging you to smash your phone, it is just using it as a metaphor to move on to new technology. I'm sure they would love you to donate your old phone to one of these charitable organizations.

[Uberphallus]

If you actually read the contest, 100 people will receive phones in exchange for destroying their current ones.

[Joeboy]

And if you look at the form, it has a field "Destruction method", for which the example text is "Hammer / Baseball bat / Screwdriver / Fire / Blender / etc."