This exactly. The title here is Security and Privacy Risks of Number Recycling, but number recycling isn't the problem. It's like pointing the finger at IP addr

This exactly. The title here is Security and Privacy Risks of Number Recycling, but number recycling isn't the problem. It's like pointing the finger at IP address recycling. That's not it. It's that people are using SMS as 2FA when they ought not to be.