Would you say that the tractor for instance has only made John Deere wealthy, or has it made the world better off? Has the motor vehicle only improved the life

Would you say that the tractor for instance has only made John Deere wealthy, or has it made the world better off? Has the motor vehicle only improved the life of the Ford family or would I be better off with a horse and carriage? Have personal computers only made Bill Gates and Michael Dell richer or have they benefited the human race as a whole? All of these are examples of automating laborious processes. All of them have made inventors wealthy and the world a nicer place to live. The economy isn't zero sum where to make one person richer another must necessarily become poorer.