>Balance trade? Trade isn't a single ledger that needs to be in balance.
By definition, global exports must be matched with global imports to sum to zero, unless if you are trading with aliens. This is basic double-entry accounting and mainstream economics.
>Nobody in the USA makes cast iron in the volume needed by haas; nobody in the USA makes PCBs at the price point needed by haas. Nobody's going to be able to start domestic production of either now
On the long term, factories can be built, workers can be trained. If the price point of manufacturing is more profitable domestically than through outsourcing via tariffs, then investment will naturally flow to account for those opportunities.
But like I said, what you fail to see is that firms like Haas Automation are not reflective of the larger US economy, the majority of the US economy is supported by consumption, not manufacturing, and actually it's the top 10% that accounts for almost 50% of domestic consumption, meaning a whopping 10% of US consumers account for 15% of global consumption. Counter-Tariffs aren't going to mean as much to Investment Bankers, Lawyers, Doctors, Senior SWE etc. People will come to and build production if China is not available because they will want to grab the lucrative opportunities of the largest consumer base in the world.
On the other hand for surplus exporters, bereft of such a consumer base, unless if they find a way to make up for that consumer base (which is very difficult), all those factories are going to close down very quickly, and mass unemployment ensues. It's not just China, it's possibly Vietnam, most of SEA, Germany, Japan, etc. And that matters for the negotiating table, hence why many did not pursue counter-tariffs. But they've been doubling down on manufacturing rather than shoring up domestic consumption, the US reaction is by definition the Beggar-Thy-Neighbour as a consequence of their greedy actions.
The larger argument really is for a more balanced global trade, where countries current account balances would be near 0. It's true that US consumption rate will probably need to go down for it, but that also means that the rest of the world would be increasing their consumption (and their living standards) rather than suppressing domestic demand for the sake of manufacturing fetishism. It would be an all around more resilient to trade shocks than the status quo today.