Note that your argument began with "It's too radical, it won't work!" and ended with "It's boring, there's nothing new here." When I see this particular pattern of cognitive dissonance, I take it as a sign that the phenomenon being dismissed has real merit. Not to single you out, either--this pattern describes perhaps the majority of arguments I've heard against Soylent.
to eat one thing 100% of the time "is too radical it won't work". yep. To eat one thing as your 'go-to' filler is fine. but neither new nor radical. One addressed one argument, the other addressed a different one.
