I think I'll side with the pissheads on this one.
In general, they do what you want, unless you want consistency.
For the sake of argument I'll ignore all your fighting words.
Over the long term, symbiosis is more useful than parasitism. More fun, too. Ask any mitochondria.
Save it for my unauthorized autobiography.
The camel has evolved to be relatively self-sufficient. On the other hand, the camel has not evolved to smell good. Neither has Perl.