Bluster or not, the maniac is publicly threatening to wipe out a civilisation.
At some point, US military and the rest of the system (Congress etc) can’t hide behind big man Trump anymore. If they follow through even with half of that they’re all complicit.
It’s quite clearly defined under the statutes that they fall under. Restricting freedom of navigation is not a war crime under the Geneva Convention. Deliberate targeting of a nations infrastructure and power generation capacity is. It’s not really open to interpretation.
The grey area in both are how and if charges are brought, not the scope under which they fall.
A friend from my University days lives in Sharjah which was till now out of the way from the doom and destructions, I guess that’s not going to remain that way for long.
This sort of reaction seems likely to cause yet another 180 from Trump. The fact that he has blown billions to hand Iran a strategic victory is not going to play well.