Science is a mechanism, a way of trying to improve your knowledge of nature. It's a system for testing your thoughts against the universe, and seeing whether they match.
I never sensed really bad blood between Microsoft and Apple. A lot of Macintosh users feel badly about PCs and do have some bad feelings. I call them Macintosh bigots a little. They say, oh, no, only the Macintosh is the good one, and I don't like to be that way.