This is a wonderful article and interestingly one of the more poignant bits is a quote from someone in the film industry (to paraphrase):

"We meet with a lot of startups and the only question is 'Can this be done?' Nobody is stopping to ask questions regarding the ethics."

That being said however, it is really tricky to come to any easy conclusions. We live in a complex world and it's not clear even after exhaustive questioning what damage could be done with the work that one is doing.

Fire was one of man's greatest discoveries - but if you stop and look at all the dangerous uses it could have been put to, it is quite possible we would not be sitting here today on HN...