Like what general investors in BTC have decided, its not meant to be used to buy groceries. Its a store of value
Bitcoin is a currency that we use like an atm. People do whatever they want to do by bitcoin.
Bitcoin is an online currency were we can invest our money,. And we can earn from bitcoin by investing, trading and a lot more. Because bitcoin has its fluctuation of the price thats why most people use bitcoin. There are many ways why we use bitcoin, for transactions, to buy commodities online and a lot more.