You'd need to have been living on a different planet to think that the US is benign. Relatively benign to their own citizens but far and away the most globally antagonistic country over the last 50 years. The list of wars and interventions, arms dealing, extradition etc would be far beyond anything China has done.

No government is beyond over stepping it's boundaries but unfortunately non US citizens do not have a constitution to protect them from the US government.

China is threatening the US global trade dominance and the US is reacting in exactly the same way incumbents usually do and unfortunately trade wars between major powers have been historical quite bloody.