I can handle 4 years of second hand smoke if they included your basic pleasure model like Pris.
The problem with this argument is that with open source software, you don't just have to trust a single random guy for your information. When the source is open, it is often the case that MANY people in the online community will examine the code, and through discussion there emerges a consensus which is far more reliable than the opinion of just one random guy. That isn't to say that the community as a whole is never wrong, but it's vastly more trustworthy and reliable than just some $randomInternetDude.
Although people know me as a writer of fiction in my personal life, my day job is fixing computers, so when someone I know needs work done, I often get the call. Recently someone I used to work with as a computer consultant called me up to help install a home PC for a sibling in town. Because I'm nice and/or stupid, I did it.
Real Programs don't use shared text. Otherwise, how can they use functions for scratch space after they are finished calling them?