They can't all be fabricated here though - that's the point - we have neither the demand nor infrastructure in place to do so.
The most American "Made in America" car on the market has, at most, 75% of its parts domestically sourced, so putting tariffs on imports means a huge increase in car prices, both foreign and domestic, and that same dynamic plays out across every single sector you've identified here.
Also, the national debt has jack shit to do with this conversation - you're conflating industry revenues with free cash, and if you were to nationalize the profits of those private companies, investors would dump them so fast we'd be in another great depression before you finished patting yourself on the back for being so smart.