Darwinism doesn't suggest that we should be all-wise and do what is going to be best for our selfish genes. Rather it builds into our brains rules of thumb which worked in our ancestral past - Richard Dawkins
"A new mobile phone tower went up in a town in the USA, and the local newspaper asked a number of people what they thought of it. Some said they noticed their cellphone reception was better. Some said they noticed the tower was affecting their health.
The column ended (and I paraphrase): "think about how much more pronounced these effects will be once the tower is actually operational."