That is the detail that you got stuck on. The question was: is the US culpable in the Palestinian genocide, or is Israel just a third country?

Watch the news and it should be obvious what the answer is.

Would the Palestinian genocide be happening without US support?

What little green men do you think man the aircraft carriers, shoot down the missiles, or build the pier that was then used to kill civilians?

The US army is actively involved on every front of this war/genocide. Not to speak of the intelligence that they are probably providing.

And yes if you micro optimize the goal posts long enough there is bound to be a difference between Russian involvement in Ukraine before 2022 and Israel. But that is besides the point, the question is: would the Palestinian genocide be happening without direct US support? And the answer is irrefutably no.

Saying Israel is not the US is like saying the Ukrainian separatists between 2014 and 2022 where not Russia. Israel gets its weapons, money and international support directly from the US. Without the US Israel would not exist in its current state, and definitely would not be doing what it’s doing right now in Gaza. The US fought the Houthis to defend Israel, and without the US many many more Iranian rockets would have hit. And even if all of this was not the case and Israel was just a normal ally, the difference in response to Russias invasion of Ukraine vs Israels genocide against Palestinians still proves the point.

I would prefer to be under US hegemony than under Russian or Chinese hegemony (for the time being) but mostly because the US is richer.

But morally speaking the only difference is scale:

https://www.middleeastmonitor.com/20231108-gaza-deaths-compared-to-ukraine/

https://en.m.wikipedia.org/wiki/Casualties_of_the_Iraq_War

To what extent is this different than what the US currently does?

This just reads like a guy that was frustrated by the fall of the Soviet Union and Americas following hegemony, and said: what if we did all that.

Especially the tactic of destabilizing rivals. For example: how sincere can Americas concern for a Muslim minority in China be, when they have directly caused the death of millions in all their illegal Middle-East adventures of the past decades.