Oh, fine - if you’re going to just Willy nilly divulge your (checks notes) family Secret Santa present list to just anyone. You may as well write your medical history with a nude picture of yourself on a postcard and send it via UPS to People Magazine!!1!
With the small carve out exception of people who are fine with the antisocial behavior and management style of the owner, Inertia is the only reason. Governments, influencers, corporations- they all have a following and an established channel which involves minimum expense to maintain.