Jean-Denis Greze, founder of @TownAI, on the question that made him kill his first startup despite nearly $1M in first-year revenue: can you outrun the incumbents using the same technology? "After one year, we had what I would describe as a good business pre-AI... But post-AI, this was not gonna be a venture scale company." "We realized that the incumbents were gonna be able to use the technology to automate tax prep for their existing customers faster than we could grab market share. That's…