Hello, Mr. D.:   Re:  "... do ... all lives matter, or are there expendable human beings ..."  I don't *personally* have a list of people who I would deem "expendable" for my personal benefit, if that's your question.  If the question is, "... does Society place more value on some lives than others? ...", the answer is:  Yes, of course.  Society places far more value on the lives of, say, Serena and Venus Williams or Oprah or Mr. Obama than it does on Silverhorn - for the simple reason that those people are far more wealthy than Silverhorn, hence will pay far more taxes to the governing authorities (if they are honest), and their celebrity status insures the personal interest of millions of fans that is not (and never will be) accorded to Silverhorn.

This doesn't bother Silverhorn very much, actually.  :)

"... Do you prefer dying in pain prematurely? ..."  No, of course not.  But I'm reasonable healthy, take judicious steps to provide for foreseeable ...