it's no more arbitrary than the article's arguments, or your own "Enter could mean, "Begin entering text", sure. But it doesn't. "
Mac fan boys or not, that's just how a Mac works. Calling it inferior just because it's different and then name calling ppl fan boys is just the way to go.
Why did we have to go to Start menu to search for "shutdown" in Windows? To a new user the start menu would be the LAST place she would look for the shutdown command. Start could mean "start the shutdown procedure" sure, but it doesn't.