They will not put effort into improving things along the way they probably know of won't be there in the next couple of years anyway. Finder, explorer, great things back in the 90s. Today? Get rid of the legacy already.
Lets get rid of mice too, their legacy. Oh can't forget USB and Ethernet, everyone uses Thunderbolt now. Nobody uses CDs or DVDs anymore, Apple should remove all support for anything that isn't a SSD too!