These to calculations have resulted in very similar answers, differing from each other by only 2%. The author finds this precision spooky. Again, no attempt was made to fudge these results by a priori choice of estimates.
Therefore, to within two orders of magnitude, the probability of a neturino performing an electric cross-scattering interaction with an electrion in the earth for a neutrino incident to the earth is approximately equal to the probability of dropping a ball bearing onto a random place on the earth's surface and hitting an egg sandwich.
Adam's hypothetical guess regarding the cross-section of eg-bb interactions is in fact very good. Whether Adams performed this calculation or not is not known, as he provides no numerical evidence for his postulate. His choice of metaphor, however, is uncontestably superb.