There are a lot of things to learn from MITM.
One of the main things I feel that it portrays, is the fact that everyone can live together and be friends with whoever they like, no matter if they are different colours, rich, poor, uneducated, educated, disabled, clever or stupid etc. It really doesn't matter.
Another point that is shows, is just because your clever, ie Malcolm, doesn't mean to say that you don't have any problems, infact it portrays something I think is quite true. Malcolm is always more upset than Reese, why - perhaps its because he thinks of the consquences to much of his actions...
There are loads of other pointers, I am sure appanah, well have loads more things to say, especially since he's studying MITM for his theisis