A single engineer broke the Twitter API
How a single engineer brought down Twitter
Elon Musk’s steep layoffs have left Twitter with so few engineers that only one person was on a major project involving the platform’s API.
https://www.theverge.com/2023/3/6/23627875/twitter-outage-how-it-happened-engineer-api-shut-down
Single points of failure are notorious for showing up in times of great changes.
Maybe while reforming a business or consolidating funds onto one hardware wallet while user/entity move.
Pay extra attention when your routine changes.