After the U.S. imposed tariffs on Canadian aluminum, Canada responded with tariffs on U.S. goods [1]. A reciprocal retaliation makes sense to discourage the other side from continuing to participate in these market practices.
If reciprocal retaliation to China's arbitrary bans on US and European Internet service companies is bad, then so is reciprocal retaliation to US-imposed tariffs; but that fails to appropriately discourage the US from imposing more tariffs, and leads to greater restrictions on free trade, not less.
If reciprocal retaliation to China's arbitrary bans on US and European Internet service companies is bad, then so is reciprocal retaliation to US-imposed tariffs; but that fails to appropriately discourage the US from imposing more tariffs, and leads to greater restrictions on free trade, not less.
[1] https://www.cnbc.com/2020/08/07/canada-to-impose-tariffs-on-...