You're obviously correct about the problem, and I don't think anyone is denying that targeting Chrome only is a lot easier than targeting "works with all browse

You're obviously correct about the problem, and I don't think anyone is denying that targeting Chrome only is a lot easier than targeting "works with all browsers". The point is that if 'we' want to call ourselves "web developers" then we probably should be doing things the "hard and slow way, that works with all browsers".