Trump's aim to impose tariffs on countries with GST regimes. It is really an unfair tax?

The latest round of proposed tariffs from US President Donald Trump includes a response to what the White House describes as "unfair" taxes - specifically, value-added taxes such as Australia's Goods and Services Tax. Most economically advanced countries have a value-added tax or sales tax on consumption. This applies to domestic goods and services as well as to imports. The United States is one of the few countries that does not impose a sales tax, though many of the states impose their own sales tax. So the argument, according to the White House, is these taxes apply to imported goods…