There's at least one other person with the same hobby, because they made a short documentary about it, thereby 'liberating' the source material (in a really unpractical way): "A History of the World According to Getty Images" [1] [2] [3]
[1] https://www.idfa.nl/en/film/f2e29b37-216a-4899-ae67-c4367b8b...
[2] https://www.ahistoryoftheworldaccordingtogettyimages.com/ (which can't be downloaded)