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Re:Show HN: I made a chat roulette for remote workers by alasdair_ on Friday March 13, 2020 @05:53PM (#22571196)
>They're generic usage scenarios and clearly intended as such.

Based on what? I assumed they were real users because there was no indication otherwise. This is why we have words like "actor portrayal" displayed at the bottom of our screens when a person makes a claim about using a product and it's actually just a person reading a script.

Re:Show HN: I made a chat roulette for remote workers by pvg on Friday March 13, 2020 @06:31PM (#22571443)
Based on, I dunno, browsing the web? Seeing an occasional TV ad on an airport TV? I don't think it's quality stuff or anything but if you found these confusing, I suppose we move in entirely different media environments.

Edit: And, of course, it's also a typical way we often talk about generic scenarios outside of advertising. Alice and Bob are not real people trying to establish secure communications. There is no specific Johnny who can't read, etc.