>What was the reason when Twitter went down pre-Elon?
To use a tennis metaphor, good players minimize unforced errors and recover quickly from forced errors.
This is a very clear unforced error that could likely have been prevented by just waiting to roll out the new feature.
To extend the tennis metaphor, it would be like Serena Williams losing a set on 50 double faults. Sure, she's lost other sets before, but it would be notable for her to lose in such a unique way, even if she still went on to win the match.
That's why people are talking about this, it's a very weird way for a site to fail and it's interesting how it happened.