Patent the idea, Publish a paper, submit it to a robotics conference. Some big company with deep pockets will buy the rights to your patent for a sum of money that will be large to you and small for them.
The patent system allows small inventors / startups to be competitive with large monopolies. It creates a safe space for free innovation. What is wrong with that?
It's the equivalent of having laws against stealing. How could a shop keeper run a business if stealing was not illegal?