I'm trying to understand what your view of evolution is if you think we're going to be significantly different in a few thousand years given we stopped all technological process today and let "nature take its course", or if you think we can survive things like climate change without using our intelligence and technology (perhaps it will even be necessary to augment both). Evolution is slow, evolution is dumb, evolution isn't going to magically make us more likely to survive threats to our existence. You would rather subject yourself to such a blind, dumb, uncaring process, than a future product, perhaps itself intelligent, of our own intelligence that outclasses a natural evolutionary process in every way? Do you think evolution is going to magically get our species off this planet should an asteroid wander this way, or in the future when the Sun dies? Our long-term survival is completely dependent on our technology already.
I would be very surprised and disappointed if our technological processes in a mere hundred years are not more robust and better than evolutionary equivalents--indeed we can already do many things evolution could never do itself, the last big step is doing that more on the micro scale. Work on that has already begun, it's pretty exciting to look at it. E. glowli is just the very beginning.