Since you are only getting condescending non-answers I’ll try to answer it for you. It’s expression, a desire to communicate emotions and concepts via a medium other than words.
Unfortunately people all think differently, so the expression only reaches some people. And some people don’t get the expressions at all.
What else can they be seen as other than hobbies or marketing?
I’ll let you ponder that particular point. Maybe you’ll be struck with an epiphany and be motivated to share it with the world, in some shape or form.
Since you are only getting condescending non-answers I’ll try to answer it for you. It’s expression, a desire to communicate emotions and concepts via a medium other than words.
Unfortunately people all think differently, so the expression only reaches some people. And some people don’t get the expressions at all.
Maybe visit a classical museum once in a while