If you want to run an already very large business your best bet is to go in to management consulting. In that case what you study is less important than getting top grades at a top school and interviewing like a champ.

If you want to run a business that isn't but has the potential to maybe be very large then easiest way to do that is to build your own and CS has a very low bar for entrepreneurial activity.

If you just want to run any business then no degree necessary. Just work in food service and treat it like a career. Maybe do a bookkeeping course. You'll get to manage a restaurant eventually.

Sure, one can run business incompetently, but is it desirable?

Steve Jobs studied English. Ran multiple companies.

Consider many people here, who regularly complain about incompetent management.