How do you come up with the item descriptions in build/buy? - Matt Brown’s Answer from the r/Sims3 AMA (May 11, 2025)
The item descriptions, I think, are something that it's easy to take for granted, and definitely lots of people never even read them. But generally the way it worked was someone on the team, usually a producer, who had a particularly appropriate sense of humor, who "got it" and was a decent writer, would take it on. And then they would work their way through them bit by bit as the game was developed. We've had a professional dedicated writer from time to time as well.
At various times, we tried to codify the style to keep things consistent, but for the most part, that consistency came from the fact that the people writing the the descriptions were/are really big fans of The Sims and were very familiar with the tone of the games that came before them. So they sort of organically played it forward.
I think that scrappy human-ness and that lack of any heavy structure is part of what gives it that weird charm.
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Source: Matt Brown’s reply on the r/Sims3 AMA (May 11, 2025)