Agreed. All I'm saying is that there are plenty of hobbies that don't require many tools, and that even hobbies that require some stuff can be done fruitfully and fulfillingly with just the minimum. Some people enjoy that kind of minimalism, some people don't. Lots of people have to make do because they can't afford equipment, but they can still find fulfilment in life.
I'm in a position similar to Sivers, in that I don't have a permanent home, and I'm unlikely to find one in the near future. Like him I'm in a furnished apartment with barely any stuff of my own save for clothes, a laptop, a phone, a kindle, and a handful of other belongings. Some days I really yearn for a place of my own, and the things I could have in there...
But when I read someone saying they cannot wrap their head around how anyone could be fulfilled with living like Sivers... I feel obliged to respond. This is how my life is, and it's fine, I'm quite happy.
I play music with my friends in a rental rehearsal space, I meditate, I take photos with my phone, I code on my laptop, I discuss things, I read, all those things I listed. It's not some awful deprived life of poverty just because I don't have several bags of camera equipment!