I guess that's sort of true but often you know what direction you will be heading, just not now. I see it like a game of chess, you want to be able to at least

I guess that's sort of true but often you know what direction you will be heading, just not now. I see it like a game of chess, you want to be able to at least predict the next few moves and cater your architecture towards that. However, this is an acquired skill that takes practise. I also think there is a difference between architecture and features where keeping it simple as possible is more about the features and less about the architecture, i.e. keep the features as simple as possible but have your architecture cater for the future.