Musk can just build a tunnel under the ocean to subvert the blockades. He's had really great success with tha-hahahaha, I can't keep this up.

Nah, they'll just truck them in. They commonly send cars by truck anyway. There's tons of freelance truck drivers, esp. in Eastern Europe, who couldn't care less about a handful of striking workers in Sweden. Don't see how that could get stopped short of blowing up the Øresund Bridge, honestly.

The celebration of that collapse would make the minisub look like a wake.