Those things aren’t connected to the internet, so I actually would trust that thing in my house. They just compare the closed caption text against of list of no-no words and swap them with a family friendly version. The early versions didn’t give a shit about context so sometimes it would make no sense. No idea if the newer ones have fixed that. Why an adult with no kids wants that is certainly something.
That’s why we have to make the option that is best for society as a whole the most profitable one. There’s only one thing you can trust companies to do, make as much money as possible. This is why fines that are basically a blip in the revenue are worthless cause that just becomes the cost of doing business.