Given that a German driver, leading the World Championship driving a German car with a German engine wasn't enough to get bums on seats at the German GP last week I would gauge the general mood in Germany as being pretty apathetic at the moment.
As for the initial question. In a rare (for me) show of support for Hammy, he was absolutely right to keep on keeping on. As he put it, in more or less the same words, If Rosberg could have got close he could have had a go.
I'm pretty sure that the result would have ended with Ricciardo winning, Rosberg second and either Alonso or Hammy third, at best but more likely, just a reverse of Hammy and Rosberg meaning the total points for the team turning out the same. I know what the Merc management were trying to do in hedging their bets to get the best out of both cars but all round, it wasn't the best result for the team. This will no doubt lead to more "clear the air" talks between the two 'good' friends. And it will be situation almost normal in a few weeks time.
The question remains, can Nico "Nelson Piquet" Rosberg crafty his way to the tilte or will Lewis "Nigel Mansall" Hamilton, on the whole the quicker of the two, keep it all together in the brainbox department to take the spoils.**
(** N.B. the battle between these two is not and will never be the same as Prost v Senna)