Apparently, this has been loudly complained about from at least Aug. 27, 2011 through as late as Sep. 15, 2013:
http://productforums.google.com/forum/#!topic/google-plus-discuss/JolYBcJmzWs
g + 1 = S(g)
Edit:
In Canada, it turns out that we even own photos we took for someone else.
Why you want to mess with my photos, Google?
One reply on “Google Instant Upload’s Nag:
“Make That Photo Public””
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