Your sarcasm definitely got lost in translation, if you read to like page 40 or 50, you would see how many people constantly ask a similar question to what you posed here.
I suggest you read and make a decision of your own. It would be irresponsible of someone else to tell you how to spend your money and if something is safe to inject in to your body. Considering the consequences of what could go wrong with a bad source and bad gear, I would utilize all information provided to make an educated decision. But that's just me