The US and Israel both want to destroy Iran. There is no “provoking US entry”, both their strategic goals are completely aligned at this point. This is their last chance to get the damage done before the opportunity is lost forever. The war in Ukraine threw a wrench into their long term plan and they’re simply adjusting to the reality of having to accelerate the war before it is too late.
They’re willing to take the gamble, because the alternative is Israel losing its ethnostate dream and America losing its control of the Near/Middle East to China forever.
Both outcomes present an existential crisis to their respective ideologies: the Zionists are never going to give up the ethnostate dream because that would be the end of their ideology; the American imperialists are never going to let their control of the periphery slip away without putting on a real fight because that would also be the end of their imperialist ambitions.
The primary objective of the war in Ukraine was to break Europe. That objective has been largely achieved. The unexpected consequence was that Russia did not fold under sanctions, and it backfired through inflation in the US domestic economy. This was why the Fed hiked rates for the past two years, placing the dominant status of the US dollar under unprecedented risk.
The last two years have been the Biden administration adapting to this new reality and gambling that China would not take advantage of this exposed weakness of the dollar, and their gambit worked. The US dollar has more or less restored its strength and now it’s time to turn against Iran before the entire Middle East fell to China’s influence - which is only a matter of time if the US doesn’t do anything.
You are assuming that capitalism cannot adapt to failures (which happen all the time), but in fact capitalism is infinitely adaptable to new dynamics, which is why Marxist-Leninist theories are so important - these opportunities that expose the weakness of the imperial power occur only once in a while, and if they are not seized upon, the gap would be filled in short notice.