A short biography of George Washington Carver posted by a science news site omitted what was most important to the Father of Agricultural Chemistry: his faith.
Unlike humans, hummingbirds are equally good at extracting energy from fructose as from glucose. They are marvels of evolutionary engineering. That makes perfect evolutionary sense.
Examples from World War II and the present illustrate that just because some people compromise ethics doesn't mean ethics itself is a matter of opinion.
It's not just horizontal gene transfer that can obscure evolutionary history. Scientists have found bacteria recycling fragmented DNA from long-dead organisms. The impact on evolutionary theory could be substantial.