If XXI century is proving anything it's that while Nature cannot be fooled, humans can, and rather trivially so. More and more businesses have discovered that spending money on marketing has much better ROI than spending it on making a useful, valuable product.
Want a quick proof in a tech sphere? Just look at the IoT market.
I don't believe the 21st century has shown that at all - it wasn't marketing that made apple the behoemeth that it is ("it just works" was more than just a slogan). Look at the declining fortunes of IBM & HP??
Yeah individuals can be fooled, but en mass things revert to a nature state. "you can fool some of the people some of the time but you can't fool all of the people all of the time" as true in this century as the last