This is clearly true. There is an implied point here but I am not sure what.
They share in their profile what they want other people to see. And often choose to not fill out everything. Nobody signs up to share with Meta, Inc.
Most people would love a "[ ] Do not share with Facebook".
People choosing an imperfect option, from imperfect options, are not demonstrating evidence they don't care about the imperfections.
> Would the button disable them from checking in and updating their profile?
No.