>if a young family was sat on a park bench doing this and you went and sat on the bench between the mother and the father it would be considered at the least incredibly rude and inappropriate.

context is everything in public settings. Was it a tired old man on a cane that clearly needed to sit down? clearly it's rude for the couple to at least not scoot over. is the bench super long? there's probably no real beef as long as you're not directly sitting in their personal space.

In this case, these are clips uploaded over a decade ago for one reason or another. Realistically it's the same case-by-case. In general I don't really feel any guilt per se.

If I can tweak the metaphor, it's more like sitting on a vantage point within the park and peering at them with binoculars, far enough away that they can't see. It's still ick but definitely intrudes on them far less.

No, it's more like someone took a photo of themselves to show to their family, and after they were done with it they left it on a bench in a park (perhaps not realizing that the photo wouldn't magically go away on its own), and a long long time afterwards someone happened to stumble upon it and look at it.

Yes! This is the nuance I’m looking for. There are issues with corporations exploiting our private lives and data but if one were to find someone’s family photo album left sitting around it doesn’t seem horrible to me to take a look.