Why does cutting your hair mean that you can't be "down for the cause", whatever the "cause" is? I say go for it and be a part of corporate culture. Big business needs more ethical people working in it's ranks, and I think alot of those ethics leave when they are faced with the choice that you are now pondering.

Just another little something to think about.

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Not every end is a goal. The end of a melody is not its goal; however, if the melody has not reached its end, it would also not have reached its goal. A parable.
--Nietzsche