Cub Driver wrote:

The drift of the fallout
in a wind is something quite disturbing, even in a 15 mph wind,

And at 35,000 feet, isn't the wind more typically 100 mph--or is that
only occasional?

I pay attention only to the winds up to say 5000 feet, and even at
those levels the speed increases dramatically with every 1000 feet.

I suppose it would have been better than the alternative, but still
...

But at altitude, there is next to nothing to make fallout from, so any
kind of high airburst would be relatively clean.