You need to understand it certainly, in the same way you need to understand the rules of Football to really enjoy watching a game. but I haven't played SC or SC

You need to understand it certainly, in the same way you need to understand the rules of Football to really enjoy watching a game. but I haven't played SC or SC2 in years and I still enjoy watching the streams, in the same way that I've never played a real game of hockey but still like watching the NHL.