That you think there would be outrage highlights your lack of understanding.
International waters are just so. It's only a problem when a country decides to try and restrict access to international waters, and one way to show that this decision is not accepted is to sail warships through it.
Everybody always gets hung up on the nukes but I never see anyone complaining about the firebombing which killed many times more people (or the Japanese and their many attempts at biological warfare).
War is inherently bad, and using powerful weapons to end it sooner is the pragmatic and often moral choice. Would you have preferred that the allies invaded Japan, causing millions more to die? Or perhaps simply blocade Japan, causing millions more to die? It's easy to be moralistic when you don't have to make decisions that have millions of lives hanging on them.
There was a somewhat peaceful coexistence of all kinds of religions before the collapse of the Ottoman Empire (let’s not get into the genocides the Ottoman Empire committed here).
"If you ignore all of the racially driven genocides, the Ottomans were quite chill"
And asking two people was easier than using a search engine?