Is Google Photos THAT bad for privacy?

We don’t sell your personal information to anyone or use the content you store in Photos for ads purposes.

support.google.com

How Google Photos protects your privacy & keeps you in control - Google...

Keeping you safe online means protecting your information and respecting your privacy. That's why in every product we make, we focus on keeping your information secure, treating it responsibly, and ke

A quick search finds this page which claims they don’t use it for ads, but no statement on AI training. Even if this is true (and not just “technically true”), there’s nothing that stops them from using your photos for those purposes in the future since it’s not zero-access encrypted.

It’s ultimately up to you if you want to take that risk.