Your hypothetical actions are insane and you’ve just lost the support of Europe. Moreover, China is calling your bluff because it’s so over the top it looks like bluster.
You know, if the day comes that China does better Chips than the US, it won’t matter for the average joe
If China tries to invade anyway after these threats, I'm asking the military aide who follows the president at all times to open the football and I'm transmitting an order to Strategic Command to begin nuclear strikes on China. But that shouldn't happen because China is supposed to be deterred.