Takaichi is much more popular than Truss was, and Japan is in a much better situation right now than post-Brexit post-COVID UK. And absolutely nobody is seeking a better relationship with the US right now other than satisfying short-term needs. Japan is not in a good spot long term (population slowdown, debt, slow economy) but there’s no reason to panic right now.
> Takaichi is much more popular than Truss was
That's about as clear as 1+1=2; I wouldn't be surprised if Truss was the least popular PM/President of the last century in the OECD at "start of tenure D+5".
> Japan is in a much better situation right now than post-Brexit post-COVID UK.
What makes you say that?
I don't think the popularity matters, more the propensity to make bad decisions. Lacking any insight into Japanese politics, I would say that the Truss Lettuce Risk Factor is much higher for the US, which often has trouble passing a budget.