Earlier quoted context omitted.
Claiming that only unique or original things are good is toxic to growth and the development of culture. Saying "who takes pictures of lighthouses" is like saying "who writes their own [editor/operating system/firewall/whatever], there are already dozens of great ones". People get better by doing, and if they never did anything that had already been done they'd never be any good at all. Besides, Lighthouses are cool…
It's the same demographic that builds an abandonware single user text editor as a hobby that takes the 400th identical photo of a new england lighthouse. As a middle aged white guy myself (who codes and makes visual art) I am constantly reminding myself of the context in which my creations exist and reminding myself to actually be creative when doing so. The millionth photo of something out of the Uffizi with an expe…
A lot of wedding photos look a lot like other wedding photos. That doesn't make them not art or not worthwhile.
Someone trying to exactly recreate a shot may not be art (trying to find exactly where Ansel was, etc.) but can still be a solid technical exercise in developing skills.
This is not that - it's two people creating something new and independently who happened to have similar results.