It's really easier to use digital currency in making transactions as you just need to be able to connect to the internet and then process the transactions, cause we know the hassle of bringing fiat money like the coins which is to heavy to carry. But I agree that if you are starting a business, then you accept BTC in making transactions, for sure it would be hard to process and cycle the capital, since BTC is volatile, if you do not take the capital from your sales, for sure you would lack funds for providing the needs of your business such as restocking your foods, shirts and etc., as you only hold the Bitcoin. Imagine Elon Musk, that are capable to run a company related to spaceships and technologies, but still gave up using digital currencies since they are too volatile causing money to get liquidated.
This is easy if someone understands how and for some ordinary people their views may never be the same as ours. Furthermore, I want to say one thing that generally happens in my area, banking services that use ATMs are not a solution for ordinary people because they don't understand how to access them. The issue of volatility will be a problem and what is added is if the capital we have is not large, so that when we make a round of capital to spend on new goods it will not work well. That is why it is necessary to think about steps if you want to accept payments using bitcoin and if someone is not ready then this issue will become a problem.
Well, in my country, there are few people that accept Bitcoin or crypto in making transactions since it's not that widely spread yet, but if the government plans to take action and put taxes in it, for sure they would have a hard time cause back then, even a P2P game Axie, they did not succeed on putting taxes on it. They could only ban it or put an alternate digital currency such as the popular in the Philippines which is what we called Gcash similarly to Paypal.
In my country it is even worse and if we use bitcoin payments in certain businesses we will be subject to legal sanctions because our country only allows using bitcoin as an investment asset. The opportunity to use bitcoin as a transaction tool is still not wide open because the government and people are not ready to use this system and so just use what is allowed so that we don't have problems with the law.