fusee gelee isn't the only found exploit in the bootrom. ScriesM was hinting at one in the standard boot, so you won't even need to ground the pins every time.
I doubt we will see another exploit released any time soon, in case it would be of use hacking mariko. I believe you will want to store a launch mariko.....
Some people are interested in the intricacy of allowing piracy and the notoriety that comes with it. These might not be the twitter hackers you know about though, or they might not admit it because of the threat of contributory copyright infringement.
Some pirates are only interested in digital preservation, there are hackers who are privately involved in that.
It will be nice if they miss any other vulns in their but you can be damn sure Nvidia are probably having the mother of all code reviews at the moment over that code..
You're right their will be other ways this is / was probably the most obvious one by the sounds of things.