We've lost a giant chunk of the lore that made desktop great, and the average developer has no idea how to begin making e.g. an undo/redo system even if they ha

We've lost a giant chunk of the lore that made desktop great, and the average developer has no idea how to begin making e.g. an undo/redo system even if they have 10 years of experience and use one everyday. Yes, the problem is the devs. They don't even understand how applications work.