Didn't know the guy well enough to care one way or the other.

[He seemed fun. Though Joel had spent the entirety of their conversation assuming Rick was a remote control surveillance mechanism of some kind. It was only later he found out that robots were students and faculty here.]

But when you say 'die' you mean he... what? Ran outta juice? Went into 'sleep mode' or somethin'? He WAS a robot, right?