Only an idiot would think that 1
BTC is as low as it can be divided and bought/sold.
Do folks think 1$ is the smallest unit? Or 1 oz is the smallest unit for gold? No. All can be divided down to much smaller units. They are just the base units. It's called using decimals...
You want smaller units, then just use mBTC or µBTC. For a perfect example see,
https://bitcoinity.org/markets/coinbase/USDThat is true, you can just get the equivalent amount of 1 sat based from the existing price. And definitely, you can buy any number of satoshi depending on the amount you want to buy. There's no need to change what we have here in the market.