They said nothing could come from Trump’s unilateral imposition of tariffs in order to get foreign governments to negotiate seriously. They said a “trade war” would be self-defeating.
On Monday, they have been proved wrong by an unmitigated victory for the USA.
Trump understood the simple math that countries with which we have trade deficits would have to come to the negotiating table. By definition, we buy more from them than they buy from us, which gives us the power any major consumer has over a seller.