All of these things I DO agree with. And yes, we are young. We might not use the word "shit" on our homepage next time. But Hell, I used the word "fuck" on the title of this article, and it sure turned alot of heads.
At the end of the day, you're trying to make money. Transactions are very intimate events and you have to pay attention to what your customer feels when they navigate your site. Copy that conveys distrust is going to lower conversion rates.
Sorry if you took my comment as a dig at Christians, I was merely stating an observation based on the data we collected. I personally encountered a handful of Christian musicians who stated our use of vulgarity and drug references were the reason they were not interested in our product. For example, we also had some female musicians who were not excited about our video because it was geared towards guys. not a dig at female musicians