Private typically produces more growth but less engagement. The primary benefit of private is also your content doesn’t need to be captivating to encourage growth. But if your content sucks anyone worthwhile will leave once they do see your content and all you’re left with is a bunch of people that don’t care about you.
Still, if you need fast growth for any reason private is usually the way to go if you don’t have the content quality.
business is always public – once you go to private, it becomes a personal account. – also, if you switch to many times you may lose branding rights along other things to.