After first impressions you may not easily tell apart someone who is self confident from someoneelse who is just enamoured of herself.
For thousands of years, species lived in earth exposed to what nature and evolution did bring to the plate. So many combinations of atoms into molecules populated this planet. Until mankind learned to handle those pesky atoms and started exploring new combinations.
The underlying mechanism of offer and demand certainly brings to society ever better value for less cost. We tap at the ingenuity of entrepreneurs and engineers to reach ever more efficient ways to produce utility, convenience, and comfort.