Earlier quoted context omitted.
Come on - lighten up. It's an article which lampoons the behaviour of Apple. Apple are engaging in protectionist behaviour - the development of iHTML would be the extreme conclusion of this trend. It's relevant today, because their recent (anti-Adobe) behaviour is a nod towards the extreme behaviour described in the piece.
It is still not funny. First, because HTML is very wrong choice there: Apple is the juggernaut behind it (with Google's help). Second, this is really really old, I don'e even remember when I first heard the joke about Apple cars.
For example, you could get front page time with almost any xkcd post with a pithy title, even if its one of the least funny xkcds ever. It is a geek rallying flag and many people here will not concede it. April fools is Always Funny! xkcd is Always Funny!