Tariffs are always good for someone. Just not most people.

Is it good for anyone who wants to manufacture chips in China. Obviously, yes it is good for them. But it is not good, in the short term, for people who want to buy chips in China.

But it might be bad for everyone in China, because someone above implied that they actually don't have the knowledge to make these chips. Not sure how true that is? But assuming it is true, that would hurt everyone in China.