Ghost of Yotei has the best reasoning for why all of its climbable ledges are covered in white paint, as they're actually just coated in bird poop.
Games have always looked for innovative ways to guide players without explicitly telling them what to do, and nowhere is that more clear than with the recent, somewhat infamous, trend of "yellow paint". While it's not always yellow, the vast majority of triple-A games cover the interactable parts of their environment with some kind of bright paint that's meant to catch the player's attention.
"Yellow paint" has been around for a while now, but it's becoming more and more commonplace, leading some developers to have some fun explaining it. South of Midnight tied it into the game's lore and Hi-Fi Rush just placed signs around with its tongue in its cheek, but Ghost of Yotei has the best explanation to date - it's just bird poo.
If you've been playing a ton of Yotei since it released, you've probably noticed that Sucker Punch decided to go with white paint on its ledges to show where Atsu can climb. Only, it's not actually white paint at all, as Twitter user RossTweetsGames pointed...