Not strictly true. You can use facebook in many ways and all businesses need it.
Not all businesses need Facebook. It depends upon the customers you are targeting. Even then, it's possible to do business without it.
Personally, I'd rather not give my data to Zuckerberg for his personal gain. I'd like an open internet rather than a walled garden (or hell which is what it sounds like.) I understand why people get hooked or use it, but life without it is just dandy.
Sent from my iPhone in a non-Calde world :-(