Some issues with your statements: 1. Well, they probably own the car though which is a better parable. You don't need to rent your car, you can simply purchase

Some issues with your statements: 1. Well, they probably own the car though which is a better parable. You don't need to rent your car, you can simply purchase it just as you can purchase servers. People build their own garages. 4. So you should only used already written software? Sometimes it is just faster and better to write it yourself. You get less dependencies, you know how the whole thing works etc. 5. Why not? That is exactly what one should do.