No, you said china would roll them in a ground war, but the war would be in the south china SEA so its unlikely to involve a lot of ground troops
Youre delusional if you think the usa will attack the chinese mainland. Japan tried that and failed for 13 years. Mongol hordes only succeeded twice
The usa would have to commit its entire military and industrial strength to an invasion. And we all know thats not how the usa rolls these days
Not to mention when those Chinese soldiers wearing hessian sacks rushed over the Yalu river in the 50s they literally kicked the shit out of the yanks and UN so badly that MacArthur tried to nuke Shanghai, the USA had a constitutional crisis and the President had to sack him for insubordination.
A lot of people forget that Seoul was actually taken by the North + China relatively easily. Thankfully for the people of Korea the UN returned and was able to at least push them back to the 38th parallel (whilst committing a shitload of war crimes against civilians).
Anyway my point is that if the west had that kind of issue against a relatively weak China compared to now, imagine what an actual land war within modern China would look like.
China also beat India's army to a pulp in the 60s and were scary enough that the USSR never genuinely considered attacking during the Sino-Soviet split.
Say what you will about the PLA (and there is ******* plenty to say) they have a pretty stellar record in combat.