U.S. import tariffs could mean 'smaller' company, fewer jobs...

[transporter]

Is this about some Chinese steel producer or Canadian firm that is a "threat to our national defense?

Nope:

GM says U.S. import tariffs could mean 'smaller' company, fewer jobs

(Reuters) - General Motors Co warned on Friday that higher tariffs on imported vehicles under consideration by the Trump administration could cost jobs and lead to a “a smaller GM” while isolating U.S. businesses from the global market.

...

The largest U.S. automaker said in comments filed with the U.S. Commerce Department that overly broad tariffs could “lead to a smaller GM, a reduced presence at home and abroad for this iconic American company, and risk less — not more — U.S. jobs.”

 

[Ken King]

Is this about some Chinese steel producer or Canadian firm that is a "threat to our national defense?

Nope:

GM says U.S. import tariffs could mean 'smaller' company, fewer jobs

So in other words, they don't know what the impact might be, right? After all that is what COULD implies. And, as you provided above, if they risk LESS, not MORE US jobs, that is a good thing, right?