Your liability is. Worst case scenario is you don't get hired, or you get hired, and then get fired. That the worst that can happen. FAANG isn't gonna come after you for damages if you accidentally brick something in production or are just lazy and incompetent. As a business, your customers might.
Let's watch how the Crowdstrike scenario unfolds in the coming months, when they'll probably get lawsuits up the ass for the damages they caused. Get your popcorn ready.
>And there are plenty of examples (search on HN for them) of people running one person internet businesses and making a healthy living.
Sure, but not everyone can get there, the same how not everyone can become a successful football player despite so many successful examples. There's too many variables. Usually, the right connections are your most valuable asset as one man company, and not everyone has them.