A tool is something I can tightly control. A thing that may or may not work today, and if it does, might stop working tomorrow when the model gets updated witho

A tool is something I can tightly control. A thing that may or may not work today, and if it does, might stop working tomorrow when the model gets updated without any notification to anyone, the output of which I have to very carefully scrutinize anyway, is not a tool. It's a toy.