In my understanding Trump is not evil, but there are some countries that want to attack Trump's president, because they do not dare to weapons, they use their weapons economy, as is happening now.
But Trump's president policy on tariffs, not his will, but because of those who want to bring down the US dollar and economy so Trump replied with a high tariff policy, meaning that with the world high tariff policy could see the US Having the power to control the world economy, I think it is Trump's President's trick to repel the enemy, proven new US president policy in implementing the world has been chaotic like leeches in the sun in the sun under the hot sun.
If Trump's intention was to attack nations who are sabotaging its economy, then his target would be China. But in this case, he is even attacking America's close business partners. European nations have not been spared in this tariff war. The US cannot control the world economy by imposing tarrif. This tariff war will eventually make them lose the trust and cordial relationship they once had with other nations. It will also push other nations to seek alternative trading partners which would affect the US economy. Let's be aware that no nation wins a tariff war since the citizens of both nations will bear the consequences.
Misdirection as his real goal is fucking China bigly. As to whether he succeeds a different story.
As to if he should even try fuck China that is hard to answer . I certainly do not have the info we need.