As long as people are buying sausage, people will make and sell it.

And to extend the metaphor beyond where it should probably go, products taste better when sausage is added and people don't always need to know the ingredients.

Your data will have gone through something very similar to this a million times - it might have been validating your photo on a dating site or transcribing your receipt for expenses, but these sort of use-cases would not be done as cleanly if it wasn't for human in the loop.