Well tricky dicky, I can see the angle you’re going for here. Using this to leverage something else.
However, provided the risk has been identified and the systems are in place to mitigate it, safety has been compiled with.
Hence the approvals, inspections, training and cost involved in ETOPS twins.
As much as I love the 747, the modern twin is leagues ahead in terms of design, system reliability and safety.
You can’t even start the apu inflight in the 747.