So, maybe firewall off China for a couple of days? Sure, it would hurt on both sides but at least it would be clear that abuse at this scale leads to being blackholed.
I would rather see more rigorous trade policy. Frankly fewer low-quality or fraudulent Chinese imports will probably be a net positive and even if it is more expensive, I would rather our trade dollars support countries with less corrupt governments and better ethics with respect to intellectual property, fraud, environmental protection, etc. I’m sure this will garner plenty of whataboutism regarding how the west is…
There’s a limit to how much leverage any one side has on a sovereign countries policies (and how much they actually enforce them when they agree).
There’s also the question of the benefits of having China at all in these deals, some concessions and a growing dependence on western markets from initial deals is better than no deals.
Plus a wealthier China is good for the world and the billion people coming out of poverty, getting educated, and slowly becoming an advanced economy.