Ask HN: Have you ever regretted working on a product?
I worked as an analyst for an email security company. Stopping scams, malware, phishing, etc that comes through email. I liked security and had a machine learning&#x2F;stat background, so I was eager to apply. What I learned was that basically, ML and stats are not applicable to this particular problem domain because there is no level of acceptable error. No matter how well my systems performed, whenever a vice president, C level exec, or any pinhead got a single FP or FN, I have to grovel at their feet and spend weeks explaining to people what happened. I once had 10 months of work go down the drain because the system let through a single phishing email to some secretary (it detected blocked millions of malicious messages prior)