Owning a business comes with many benefits such as financial Benefits cos your income won't be like a regular monthly salary, the more successful your business the more you earn.
You will have money coming in every day that helps you cover day-to-day expenses instead of waiting for a monthly salary before you can cover those expenses.
Owning a business or wanting to start a business requires taking risk and sometimes finding out the hard way. Quite alright, owning a business can be rewarding depending on how successful you are but we should also realise it has significant challenges to consider. Business is full of uncertainty with market fluctuation just like crypto thou it's lesser compared to crypto, unexpected setback and ready for responsibilities.
Moreover, not every business gives daily income and by spending on daily expenses from your business funds, you may likely end up spending your capital and if care is not taken the business will eventually crumble. If it is easier to manage a business or make profit to cater for daily expenses as pointed out in your post, everyone will be jumping into it all this while.