Of course it's legal. Anyone holding other ideas has a fundemental misunderstanding of how the web and public spaces work. If you want something to be private t

Of course it's legal. Anyone holding other ideas has a fundemental misunderstanding of how the web and public spaces work. If you want something to be private then you make it private. If you make it public for the whole world to see, explicitly going out of your way to send the data to anyone who requests, it's all on you. Just because someone isn't using Chrome doesn't make them unethical.