Sometimes, even with a magical shovel, you have to stop digging
It's not so much of having a marginal operating window.... It's a design failure - simple. Don't design a near stall if that can translate into a full stall/rollback/valley. If only there were an example of where this might occur and hot to mitigate it... Oh - STEALTH.
If I were a Merlin lawyer, I'd be demanding a full refund.

If I were a Merlin lawyer, I'd be demanding a full refund.