I suspect this spacecraft has some seriously outdated technology on board.
...
Typical big government project takes 25 years to get to its destination.
Well, at first I thought about the Hubble program, and the budgetary cycles that impacted it through its development and build phases that caused a lot of its problems.
OTOH, look how long Pioneer 11 and Voyagers 1 & 2 lasted...
I'd bet the older technologies were more resistant to the rigors of unprotected space. The processor chips used sapphire-on-silicon technology.