Critics of offshoring make all of the following arguments EXCEPT which one?

In some cases, it undermines national security.

Offshoring increasingly results in job losses and leads to income inequality.

Many large US firms claim that they are "global companies" but they seem to be bound by "American values."

If even core functions such as engineering, $R$&$D,$ manufacturing, and marketing can $$ and often shouldbe moved outside the country, what is left of the firm?