For what difference would cruelty and brutality make?
Despite the brains that say otherwise, design is obvious even to the unbeliever. Paul says so.
And it is so obvious in biological life that the whole is greater than the sum of its parts. Or to put it another way, we can break down a rock and rabbit and see that they are made of the same quantum fields - but something was lost along the way that the rabbit passed from life to death. And he cannot be put back together again.
For a rigorous mathematical approach to this very issue, Lurkers should read Rosen's Life Itself
That there was a Creature, a beginning, a cause of causation itself is obvious and everyone will be held responsible for noticing:
For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, [even] his eternal power and Godhead; so that they are without excuse:
Because that, when they knew God, they glorified [him] not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened. - Romans 1:18-21
The purely mechanistic view is motivated by a mania for objectivity. Of course, that mania is itself relentlessly subjective.
However, the mechanistic view drains all life and consciousness out of the world. There have been objections to this sort of thing from within science. The physicist Ludwig von Bertalanffy, well known as the father of General System Theory, developed his theory as an alternative to reductionist, Cartesian notions of mechanism, which he believed were not only hamstringing science WRT to the investigation of such questions as life and mind, but had deplorable social and ethical side effects for humanity at large. Evidently the Nobel Laureate biologist Jacques Monod detested Bertalanffy for holding such reprehensible views.... (Monod is a great champion of mechanistic reductionism as the prime strategy for biological investigation.)
Such "intramural spats" can be highly instructive and interesting....
Thank you ever so much, dearest sister in Christ, for your excellent essay/post!