Who Says "Isn't this where we came in?"

"That's the machine that goes PING!"

[PING!]

"You see? That means your baby is still alive."
"And that's the most expensive machine in the whole hospital!"
"Yes, it cost over three quarters of a million pounds."
"Aren't you lucky?!"

Well, Roger's lyrics do mostly speak of society's issues - greed, power, war and the cycle therof. So that is why it all seems to 'fit'.