A 4-person indie studio just took out a bank loan because too many people are playing their free Steam demo. Teach My Little Sister How To Drive puts you in the passenger seat while an AI sister drives. You talk, she listens through Gemini and ChatGPT, misunderstands you, talks back, crashes the car. Japanese streamers found it and concurrent players jumped more than 20x in a month, peaking at 62,874. Every one of those conversations is a metered API call. The bill passed $1,000 a day, so the…