Earlier quoted context omitted.
Going back to lawnmowers, it would be like not wrapping the handle with leather for comfort because we can't prove that it's safe for the lawnmower. We think it's safe, we're pretty sure from our understanding that it's safe, but we can't prove it. I say give it a try. Let's wrap the handle, observe in operation, and then react when we have more data.
Back to your hyper-relaxed "the human body is no more complicated or serious than a machine" thing? I can't believe I have not made myself clear on this already, but I'll give it one more go: You can fuck around with lawn mowers because breaking one typically doesn't fucking kill somebody. If you break your fucking lawnmower, you buy a new one. You don't get to buy another human. Such a lazy attitude towards human sa…
Show me some evidence or even some indication that Soylent will result in an irreversible and sudden decline in health.
I'm guessing that you won't, or can't.
Your argument is "We don't know, so let's not risk it". The risk here is minimal. If it fails to live up to the hype, it's reversible.