It does
It solves real problem and it will be a solution for many people who can pay
It's about producing and marketing the product
I want to sell it for a company which take that responsibility and I get good profit
What actually matters is the nitty gritty of turning an idea into a real thing. People will pay you for doing this work. Otherwise, they might as well just iterate on one of their own ideas and keep all the profit to themselves.
As mentioned upthread, if you successfully patent your idea you may be able to get some company to pay you licensing fees if they are working on a similar idea. This is just a hedge for them against the possibility of being sued by you.