Although agreed that we might see many suicides of prominent people, just a medical side note:

Some of the articles mention that Donald Tober had Parkinson's disease - supposedly up to half of patients may develop depression severe enough to require attention and possibly treatment.

Depression in Parkinson's disease (also in dementia) may be difficult to determine, since patients already tend to move / talk / think slowly. Add the fact that more than half of patient's with Parkinson's disease will eventually develop dementia - clouding judgment, and possibly causing depression.