Andrew Rowley writes:

I think I'd prefer to maximise the chances of keeping all the
remaining fuel safely in the tanks after landing. My view is that any
reduction in landing weight is more than offset by the chances of
having fuel still in the dump system on landing and making fire more
likely.

Yeah, but think of the path of that fire (as it spreads to the areas
now peppered with fuel). It'd be like a big burning arrow pointing
right at your plane. It should make it easy to find your body.

--kyler