belome: Link, please, to your info that, "...it will be crushed anyways..."?
Besides, the car is probably owned by a bank/finance company, and after buyback, by VWoA, perhaps to be sold to one of your neighbors/friends/family members, or...even a TDIClub member looking for a deal.
Of course, 30k OCI won't kill the engine, but it would cause a bit of excessive wear. I think it's irresponsible to go beyond a reasonable time/mileage limit. 30k miles is irresponsible.
Jeez, guys, we're talking about 30min labor/max, and $60 worth of supplies. Rather petty to even be discussing this.
(But hey, I'm the guy that washed both cars prior to selling them back to VWoA.
)