No, but it’s opt-out, and it is your responsibility to ensure that stuff like this doesn’t happen - full disclaimer, that is my personal opinion. Pictures of third parties that did not give explicit consent for each and every picture shouldn’t be uploaded to cloud providers etc., let alone pictures of kids and other parties who are unable to give proper consent.
My wife is incredibly careless with these things. She wants to know how to properly operate her smartphone and wants to care about e. g. privacy, and on paper, she does - but in practice, we do a 2 hour long session, I explain all the settings to her, where to find them, why they are important, what implications certain actions / options have for security, safety and even keeping her phone in working order, yet as soon as she walks out the door, she no longer cares one bit, will blindly click to accept all kinds of EULAs and default options, never investigate what the notifications about failed backups mean, never delete obsolete / already backed up data etc. up to a point where her phone no longer works and she then instructs Google Photos to upload multiple years of family pictures full of private moments, multiple children etc. to Google.
The UI is crappy enough so you’ll spend a significant amount of time deleting the pictures remotely, absolutely infuriating. I was furious, in particular because I can’t say that removing the pictures will also reverse all the potential consequences of sharing all your pictures with Google.
For reference, Google Photos does offer facial recognition, stores and estimates locations and even estimates activities based on media content.
IMHO, being this negligent is not excusable in this day and age.