100% The importance of having db schemas and other software entities reflect real-world things is not appreciated enough. It looks unimportant at first, but so

100% The importance of having db schemas and other software entities reflect real-world things is not appreciated enough. It looks unimportant at first, but soon all intuition becomes useless and the system tends to not have "joints" in the right places, ie it doesn't have flexibility in the same places that reality does.