Meh, its a business and people forget that and get lippy at professional athletes who are being smart with their careers. As an athlete, you have to consider that the results of every fight directly affect your ongoing value and what you will be able to do as your next step.
If you're Hendricks, the only fight that matters next is against GSP. He needs a title shot, anything else is either a stepping stone to get there or a potential set back.
For GSP, which fight makes sense? Defending the title or the super fight? Honestly, if I were him, it'd be a tough call. On one hand, a fighter should defend their title against real challengers. I think Hendricks should get his shot. If Hendricks happened to land a massive strike and take GSP down, then where does that leave GSP...without a title and I think the super fight is no longer happening because the giant has already been slayed.
On the other hand, the super fight should be worth a lot of money, but if he loses, he's still the champ and can go back to defend his title. On the other hand, would losing to Silva deflate some of his great position? I dont really think so, but any loss comes with some costs.
Either way, should be exciting and I'm a big GSP fan. He embodies much of what is great within martial arts... dedication, relentless motivation to improve, great respect for his competition, self control, intelligence.