Re the taking photos of copyrighted things.... I ask the question would I like it if somebody copied my photo
I left one very popular web site because I found people could copy my work.
Ask the question how would I feel if someone copied my work before knowingly photographing something that is copyrighted.
I get your point. I really do. But, I personally don’t think it's as cut and dry as you state.
If someone is directly stealing your work, that's one thing. But, photographing something that is copyrighted is different--and I think it really depends on the end use of the photo and the subject of the photo.
What if you’re in Times Square NYC, and you want to take a picture. There are likely hundreds of copyrighted images/ads/etc everywhere, to the point where it’d be nearly impossible to take a picture without getting a copyrighted something in the photo. Did you track down all owners of copyrights here?
Or, what if you're taking a portrait of someone with a visible tattoo? Did you get the tattoo artist’s approval prior to taking the photo?
Or, what about eyeglasses? The design and style of my eyeglasses are probably copyrighted, so can I take a selfie wearing glasses? Or am I now infringing on the designer's copyright?
ETA: Also, note that my questions are as vague as Lew's.