Usability suffers for a clean looking UI. Copying a path is much harder in Finder. You need to just know to right click on a plain text element to even see the breadcrumb. You need to google the hotkey to show hidden items, its not in the menu AFAICT, you can't search for it anyway.
There's a long list of common features that have become power tools you need to already know about.
There's a long list of common features that have become power tools you need to already know about.