Sadly (IMHO) the world is generally going in the opposite direction. At least in Northern Europe there is more and more standardization of "this should be done

Sadly (IMHO) the world is generally going in the opposite direction. At least in Northern Europe there is more and more standardization of "this should be done exactly in Y dimension using material Z with connector X", and if you can't document compliance with that standard, your house is worth slightly less when you try to sell it.