[sp332]

It's not about ownership, it's about privacy. Yes, people are allowed to look at your stuff if you leave it in a public place.

Edit: it's even stronger in this case, because it's your own equipment that is providing the data to anyone who asks politely (using industry-standard requests and no impersonation or other fraud).

[Someone]

But is your living room a public place, if you leave your front door open? I don't think so.

[sp332]

But you're not in the living room. You asked for the data politely and the server sent the data to you. It even put your address on it to deliver it over the public internet.