Indeed , Ben is a worse case scenario guy , more a salesman as a scientist . Bit of a dreamer to , but entertaining content sometimes . Then is this what will collapse human existence ? Compared to climate warming/change that is said to be driven by humans i go for universal driven change like cosmic ray's and solar activity . Where i must point at the way human's have destroyed there own food chain the last 70th years with chemicals and DNA manipulation on plants . The soil is poisoned for profit way to long .
And in doing so human's have a good change on destroying themselves at intellectual level way before any other disaster will strike .

B.t.w. , those link's have more then 2 video's behind them , i was just a bit outrages , i meant , there's a lot , not all , for that can never be true . ;-)