Here are some of the issues so far. Installing software sucks. It comes in different file formats and how it gets done varies wildly based on where I get it from. It's confusing as all get out. Without a package manager I guess updates will be on a per software basis and apparently uninstalling means removing the program and then hunting down any bits it leaves behind. That's pretty idiotic.
As it ever was, as it ever shall be. Probably the most infuriating thing about the Apple philosophy, and shocking that it's a holdover from the classic days.
I had a hard core Mac guy try to explain to me why this was better.
How cute. Would love to know what crap he came up with.