Rediscover Communication

just out of curiosity, what are the philosophical faults that are guiding all things Trek? I have usually heard people claim to either like or dislike it, but based on their own tastes or those copped from those around them (sci-fi is stupid, star trek portrays a hopeful future, etc), and are usually poorly supported. But I have almost never heard someone say they don't like it's philosophy (or rather the philosophy that guides it). I am curious about what that philosophy is....
jeff "intrigued..." green