Elon Musk's abrupt requirement for users to be logged in to view tweets, along with rate limiting, suggests a problem with the backend. Why do I think this way?

Elon Musk's abrupt requirement for users to be logged in to view tweets, along with rate limiting, suggests a problem with the backend. Why do I think this way? Because the decisions does not make sense from the business perspective. The engineering is probably struggling to deploy the fix in scalable way.