All these coins are basically no different than stocks and because of that, I believe it's mostly due to it being summer.
There's a very definite similarity in how a bull or bear market affects the general mood around here. Here as is there:
Strong bull trend --> "TO DA MOOOOON!"
String bear trend --> "WE'RE GONNA DIIIIIE!!"
All from the magic of extrapolation.

Allow me to present the image of an old Business Week cover that's legendary in contrarian investing circles:

From the issue dated August 12, 1979, a Sunday. That past Friday, the S&P 500 had closed at 106.4. Almost 35 years later, it's at 1,953.72
Sort-of gives you a different take on "The Death Of Altcoins..."