It's a very easy bet that their profit margin is not sustainable. Obviously it won't survive the heat-death of the universe, nor the sun's expansion into a red

It's a very easy bet that their profit margin is not sustainable. Obviously it won't survive the heat-death of the universe, nor the sun's expansion into a red giant. The most contentious statement you made, to me, is "any comparison that relies upon profit numbers is...disturbed." Why is profit a disturbing business metric?