The companies that made the lockpicks have the argument that they're only to be used by professional locksmiths in the process of opening a lock that the owner

The companies that made the lockpicks have the argument that they're only to be used by professional locksmiths in the process of opening a lock that the owner has authorized them to, which is legal. Selling a tool that only has illegal uses would quickly lead to trouble. The third party clients can only be used in a way that violates the ToS.