You just have to make sure that when you do decide to make a post that points out flaws in Apple this or that, your post should be well thought out - and avoid being inflammatory.
Yes, these should be guidelines for any post here on HN, but you probably have less leeway when you're challenging someone's relatively established mindset. Protip: Throwing around the phrase "fan boy" does no one any good, and certainly won't help your karma.