I thought I'd give this a better response than my blowoff post.
I am a DJ, and I've worked in that field for 20 years (fuck I'm old). If you'd like to compare the literal destruction of this planet by fossil fuel companies and what the military industrial complex has done to countless innocent lives (and not-so-innocent ones!) to, uh... *waves at nightclubs*, I mean, sure? Go for that comparison every day and twice on Sunday. I sleep well at night, aside from the mild apnea.
I guess what I'm saying is that if you choose to go work for a weapons manufacturer, or an oil company, or you're a librarian, you've got different demons to cope with than I do. YMMV.