Problems that seem easy in theory are so much harder in practise. Like the other day I thought I'd write a quick piece of software in java to automatically navi

Problems that seem easy in theory are so much harder in practise. Like the other day I thought I'd write a quick piece of software in java to automatically navigate from one spot to another and avoid obstructions. Sounded like a 15 minute job, lasted 3 days. It's the same problem all AI creators have, but with them, it sounds like 15 minutes, lasts 3 years and still doesn't work.