On Fri, 14 Nov 2014 22:41:30 -0800 (PST), RichA
wrote:

Risk?

Sure. Because of the unknowns in this situation, there was a very high
risk of failure of the Philae component regardless of how much money
was thrown at it. That's why the primary science goals were all built
around the Rosetta spacecraft, and that's where most of the budget was
allocated.