Actually, they would never hear such killings.
Britannia has absolute control over the media. Other than brief messages about how bad "terrorists" are, no detail reports of deaths from any side is ever reported unless it is to their benefit. This is shown in early season one, when an entire ethnic cleansing of a district was left unreported. Hence their ignorance is almost expected. Think North Korea or Burma.
This is a plot element that forced Diethard to rebel against his own country; he is a genuine reporter who finally snaped from having his arms tied. If he could never report any real news while being Britannian, then he will take down the government with help of Zero, the biggest news story of his life.
Britannia has absolute control over the media. Other than brief messages about how bad "terrorists" are, no detail reports of deaths from any side is ever reported unless it is to their benefit. This is shown in early season one, when an entire ethnic cleansing of a district was left unreported. Hence their ignorance is almost expected. Think North Korea or Burma.
This is a plot element that forced Diethard to rebel against his own country; he is a genuine reporter who finally snaped from having his arms tied. If he could never report any real news while being Britannian, then he will take down the government with help of Zero, the biggest news story of his life.