The things that complicate everything above, starting with the parts that undercut this page's own framing.
Calling the built-in credit a "safety net" flatters a benefit that only exists in one window, on two of four fares. Cancel at 118 days on an Essential fare and you get 100% back in credit. Cancel at 44 days on the exact same fare and you get nothing at all. The generosity is real and also entirely conditional on timing you may not control — a family emergency doesn't wait for day 119.
Lock It In and Base fares get none of this, and that is not a footnote. Those are frequently the cheaper fares, chosen by budget-conscious cruisers who most need a backstop, and Virgin's own terms leave them 100% non-refundable from day one with no Future Voyage Credit path under any circumstances — protection product purchased or not. If your booking is on one of these fares, the entire built-in-net argument on this page does not apply to you.
Credit is not cash, and this page has said so, but it bears repeating. A Future Voyage Credit only has value if you intend to sail Virgin again within the year it's valid. If your next trip is a different cruise line, a land vacation, or nothing at all, the "free" 100% conversion is worth exactly what a gift card is worth to somebody who won't shop at that store — something, but not the thing you actually needed.
Virgin's underwriter is named, but you have to follow a link to find it. Voyage Protection is underwritten by Arch Insurance Company and administered through Aon, disclosed on the plan benefits page Virgin's own FAQ links out to rather than up front in Virgin's own materials. Allianz names Jefferson (A+ Superior) or BCS (A Excellent), with their AM Best ratings, by state and plan. That is a difference of prominence, not a missing underwriter — but Allianz still makes it easier to know who pays a claim before you buy.
InVoyage Care is a trap for the inattentive. At $49 to $69, it reads like a cheaper Voyage Protection, and it is not: roughly $10,000 of medical and $25,000 of evacuation, with no cancellation-related coverage of any kind. Somebody comparing prices without reading the fine print could buy the wrong Virgin product entirely and discover the gap only when they try to file a cancellation claim it was never built to pay.
Neither Virgin plan waives pre-existing conditions, and this page has scored that honestly rather than softening it. Allianz's 14-day waiver is tighter than roughly 21 days elsewhere in the market, but it exists. If a pre-existing condition is part of your calculation, Virgin is not offering you anything to weigh against it.
Allianz's Cancel Anytime is not standard CFAR wording, and it isn't sold everywhere. Up to 80% in cash for almost any unforeseeable reason is generous language, but "almost any reason" and "not offered in every state" are two different sentences, and a cruiser in a state where it isn't sold is comparing against a Virgin side that offers nothing at all — not a real fight, just an absent one.
No price appears in the source materials for either side, and none appears here. Whether Voyage Protection or OneTrip Premier is the better value for a specific sailing depends on a premium this page cannot quote, and anybody telling you which is cheaper without pricing both is guessing.
And the built-in-credit argument is a genuine point in Virgin's favor, but it is one point, on one axis, for two of four fares. It does not offset the medical and evacuation gap, and it should not be read as Virgin quietly matching Allianz's coverage by another name. It is a real, narrow, structurally unusual thing — nothing more, nothing less.