It can't stop the usage, it can raise the cost of doing so, by bringing in legal risk of operations operating in a public way. It can create precedence that can be built upon by other parts.

Politics and law move slower than and behind the things it attempts to regulate by design. Which is good, the atlernative is a surveilance state! But it definitely can arrange itself to punish or raise the risk profile of doing something in a certain patterned way.