alt Hacker News> you literally cannot discern anything of value from a one-time viewing of them.
You're conflating actual value with perceived value. It's well established that perceptions matter and people make decisions based on this all the time.
> The whole Julia Roberts trope resonates exactly because it happens in real life.
No, it resonates because it's a feel good story. I'm sure it happens, but most of the time signaling is perfectly accurate. If you don't believe me, exchange clothes with a homeless person and try to go shopping on Rodeo Drive.
I remember wandering into Cartier's in NYC dressed in my shaggy jeans and t-shirt. They didn't throw me out, but a security guard followed me around, definitely edging into my personal space to make me uncomfortable. I laughed, said I get it, looked a bit more, and left.
I remember the days when you were expected to wear a suit on a jet, even the kids. These days, even the first class travelers wear track shorts. I kinda wish the airlines would have a dress code.