In this case a small minority of requests were getting truncated responses.
No one said Rust software is bug free. If someone thinks that they’ve been seriously misled.
Brooks was expecting such "Silver Bullet" improvements as often as every few decades, we're arguably overdue significantly. He cites Ada as an example of where such an improvement might come from, well, Rust isn't Ada but a lot of the same ideas about correctness are present.
Google reports order of magnitude changes from their Rust work for example.
Did you read the article, or are you a "use rust" parrot / bot based on titles?