If everyone on Earth shared your hobby, how would it change your hobby?

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Well I like to garden organically, so I guess the world would not need large Agri-businesses.

I guess there would be a lot less people to kill.

Who doesn't enjoy a bit of fighting with sword and axe, interspersed with a bit of camping and drinking with friends? People who have not tried that is who

Paper shortage from people buying all the sketchbooks.