Condensation is bad for eggs, but how?

[wilomn]

Oh my - I'm hoping your not serious...Wet eggs = Dead eggs...
BT

Darn it. All those babies I hatched, with water dripping on the eggs throughout incubation, didn't get the note from the barkers.

I'll be sure to tell any subsequent eggs I try to hatch that if they get water dripped on them they must die.