It’s simple. Game recognizes game
The existence of Israel in west asia as an imperial dog is very useful to the US as a destabilizing force. It’s as simple as the US needing Israel to exist in order to maintain its crumbling hegemony.
I think the dog in this metaphor has snapped it’s leash
Nope. If it had, you’d see a different reaction from its master. Dog is still behaving within acceptable parameters.
I imagine it’s like the master going “My dog is a good boy, he’d never hurt anyone!” As the dog is whipping a toddler around by the ankles
That would absolve America of its guilt
Edward Herman and Noam Chomsky answered this question in quite a lot of detail in “Manufacturing Consent.” Short answer, the systems of media in the United States have been successfully co-opted by the government and military, and a variety of overt and systemic factors combine to make anything that’s presented in any media that grows beyond a certain size inevitably support the interests of the ruling class. There’s a much more detailed, although still high-level answer, in Wikipedia’s summary: https://en.wikipedia.org/wiki/Manufacturing_Consent#Propaganda_model_of_communication
The landscape is different now that mass media is being replaced by corporate social media, but it took surprisingly little time before the same systems of control began to function in the new paradigm, and impact what viewpoints and organizations are censored and which ones are boosted in modern social media.
In the United States, Islamic Jihad is pretty frowned upon. I mean, who knew, right.