If there are some people who are considered "un-hire-able" by most existing companies due to what the internet says about them, why doesn't a new startup just b

If there are some people who are considered "un-hire-able" by most existing companies due to what the internet says about them, why doesn't a new startup just break the taboo and hire them? If too few startups want to take on the risk, why don't the un-hire-able create their own businesses and work for each other? Why don't we give capitalism a chance to solve the problem before we jump into regulatory solutions?