There are several reasons why people 'don't buy', as you suggest.
- There are loads of people here who live in countries in which they earn just enough to pay for their living
- A lot of the people that sign up these days are not familiar with crypto. Buying Steem when you have no knowledge of the crypto world is not that easy
- Why on earth would you invest in a platform when you don't even know if you will like it or not
There are probably more, but I think those are enough to answer your question
I am also living hand to mouth, but fortunately my mom occasionally give me several dollars as pocket money, that's when I buy steempower
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