Not a scam, the only reason it seems acceptable to claim it is a scam, is that fiat money itself is the real scam, the biggest Ponzi we've ever seen, backed by nothing but a promise. Yes we can buy anything with Bitcoin, all that is needed is a phone with bank account, and a Bitcoin trading account. Nothing is to stop a trader in the street accepting Bitcoin in payment wallet-to-wallet, for whatever they wish to exchange for it, other than our Banks and Governments trying to put a stop to it, but it is worldwide, a massive industry, and a much used solution by people in countries with stricken economies.