Yo! Be careful about taking pictures when no one's around. Later they may have mistaken you for being a terrorist trying to identify places to bomb. Hahahaa... Well, your story sounds like mathematicians complaining the same thingie about how the world feels, that they're a useless bunch of fools writing proofs that no one can use, appreciate or understand. On the other hand, if they're not there to theoretically proof that certain facts are true, how would we dare to use those knowledge for application? Only fools would regard fools as fools. Nevertheless, you can also learn his methodology of doing things; he may be right for certain instances or cases you know? Anyway, ppl at his level would normally not understand the real-life difficulties that arise during programming (e.g. mr teo and pm). Last but not the least, ask your own conscience. Would you regard IS research as a complete waste of time? Mr Blow