It's perhaps the most pernicious Claudism. Or just the one that gets my goat the most. Saying what something isn't, usually twice, before saying what it is. What a fucking waste of words.
The type of repetition Claude uses is what Fowler[1] called "elegant variations" and discouraged in modern style guides for a good reason - people find it really annoying.
[1] Henry not Martin
100% this. It's exhausting reading this stuff, and those dramatic flourishes are a big part of why.
I say to the guy, “That looks load-bearing.”
He looks at me like I just insulted his mother. “What the hell does that even mean?”
This is the same guy who asked me to rebuild Twitter. No bugs. By Friday.