I kinda do want it to have passed that point, but not as much as I'm glad he TACOed.
* There's other metaphorical Rubicons available, this is just the one most in my mind given I live in the EU
That's mostly how it was during the last US presidential term. The president even said that "America is back" (1)
The fact is, it didn't last. America going away was not a one-off. It happened a second time, worse. The lesson that the USA just is a country that does this from time to time. People in the rest of the world who learn that lesson will prepare for the next time.
As another US president accurately said: "Fool me once, shame on you, fool me twice ... you can't get fooled again."
1) https://www.war.gov/News/News-Stories/Article/Article/250909...
No matter how reasonable the next few administrations are it is hard to see anyone else trusting the US nearly as much as they did before 2024.