In one of the early script drafts, Doctor Yemane was written as a very dark and sinister character. In fact, one of the original ideas was to have Yemane sneak into the control room that controlled the electrical towers and sabotage the attempt to electrocute Gojira (Godzilla). See more
If my device can serve a good purpose, i would announce it to everyone in the world! But in its current form, it's just a weapon of horrible destruction. Please understand, Ogata!
I understand. But if we don't use your device against Godzilla, what are we going to do?
Ogata, if the oxygen destroyer is used even once, politicians from around the world will see it. Of course, they'll want to use it as a weapon. Bombs versus bombs, missiles versus missiles, and now a new superweapon to throw upon ...