The reimbursement of lost
DVC points is only a small part of why you would by
travel insurance for trips booked with points. The bigger issue is what the insurance can do for you if you are on your trip and have something like a major medical issue that requires emergency evacuation or some other medical expense or have an accident with a rental car, etc. I think in these situations without insurance you would be paying out of pocket much more the some perceived value of points on a rental market. So the most that DVC travel insurance would cost is $300 to cover 3 use years on a trip for everyone in your party. That seems like a bargain compared to what outside travel insurance would cost
In addition to covering your points some of the additional items covered are
Emergency Evacuation $250,000
Accident and sickness medical expenses. $25,000
Car rental collision. $35,000
Accidental or unintentional damage to your unit $2,000.