Nature has no wisdom. It has no great plan or perspective. It has no goals or hopes or intentions. Those things come with thought and sentience, and it takes a mind to set them in motion.
Nature is a process that can sometimes result in sentient minds like our own.
That genetic information cannot spread from a bacteria to a plant is not an intentional design that is sacred and sacrosanct, but the simple result of hundreds of millions of years of evolution making the reproductive strategies of plants and bacteria incompatible. But the funny thing is that research like the Human Genome Project and similar efforts has shown that we have many genes in common with organisms vastly different from ourselves. But we still retain some similarities. Almost the entire set of nematode genes can be found in ours. That doesn't make us want to crawl through mud or give us the ability to reproduce with nematodes, but we do have something in common with them.