Well, it is morbid, but that's human nature. I don't think the value of property in South Palo Alto is lowering, first of all.
I think the worry is that this kind of thing is "catching". By that I mean that young people are impressionable. Depression is a very serious disease, and when untreated can lead to suicide. People in San Francisco use the Golden Gate Bridge, on the Peninsula they use CalTrain.