"it's a bad moral choice, there aren't enough rewards for nuking megaton! you can get all those caps easy in the lategame! if you try to turn burke into the sheriff instead, burke kills him and he drops one of the best assault rifles in the game early!"
Hilariously, Moira Brown survives the bomb and continues her side quest as a Ghoul
ghoul moira is very funny and a far more valid reason to nuke megaton than any material reward
Super duper mart