I tried to go the other direction, from Linux to Mac, years ago. The two complaints I clearly remember: - I couldn't figure how the heck to open a web browser

I tried to go the other direction, from Linux to Mac, years ago. The two complaints I clearly remember: - I couldn't figure how the heck to open a web browser, apparently it's a completely unlabeled compass icon. - You have to use some non-obvious, secret combination of keys while clicking on an application icon if you want to open another instance of that application. I never did understand why people will pay so much more for Mac machines. I tried it, hated it, could only get things done by opening a terminal and treating the Mac like a generic UNIX system. Went back to Linux as quick as I could. I'm not surprised this guy's happy to be switching away from Mac.