“It made for a great video!”
NYC subway workers pointing at signs
Full comment
It's a little late in the game to get this seen, but they do this in the NYC subways too. It made for a great video! this video

2.5M views · Oct 30, 2013 · 1:32 · 1 HN recommender · 4 mentions · discussed 2017–2020
A short social experiment video in which people mimic the New York subway practice of workers pointing at signs and signals. It makes the point cheerfully.
Why Hacker News points people here: It is linked in threads on pointing-and-calling and error prevention as a light illustration of the practice.
“Here's a video of people having a bit of fun with it.”HN comment, 2019
“It made for a great video!”
NYC subway workers pointing at signs
It's a little late in the game to get this seen, but they do this in the NYC subways too. It made for a great video! this video
“which led to this delightful friendly prank”
A NYC-via-Japan subway practice is another nice example: link which led to this delightful friendly prank: this video More examples of the narrow and broader meaning: link But these aren't great examples because they don't capture the important aspect of an automated system detecting and reacting to an operator violating the process protocol.
“Here's a video of people having a bit of fun with it.”
People having fun with the subway pointing practice
Here's a video of people having a bit of fun with it. this video (New York City imported the practice from Japan)
“One of the more interesting examples of this is the NYC subway operators pointing at signs to show attention”
NYC subway operators pointing at signs to show attention
One of the more interesting examples of this is the NYC subway operators pointing at signs to show attention: this video