The downsides you cite are even worse for the unstructured data, it's an even bigger mess in practice with poor "current compatibility" And the fallacy of aliv

The downsides you cite are even worse for the unstructured data, it's an even bigger mess in practice with poor "current compatibility" And the fallacy of alive=right is also worse than "naivety" since it prolongs the pain for a few more decades longer than necessary (it's a big part of the reason why all those much better tools face uncertain future)