Earlier quoted context omitted.
We have war already. It just isn't a very hot one.
There are better words for a conflict that's not currently active warfare. The US and China can disagree and take action that isn't mutually beneficial without it being a war. How we talk about things reflects how we think about them and limits the solutions we consider.
https://abcnews.go.com/Politics/us-militarys-close-calls-chi...
https://www.aljazeera.com/news/2021/7/12/china-military-drov...
https://www.businessinsider.com/chinese-planes-conducted-sim...
https://www.amazon.com/New-Rules-War-Victory-Disorder/dp/006...
There are armed confrontations between the militaries of these two countries on a constant basis. There just hasn't been any shooting yet.