Why should the US government care if Apple chooses not to sell some of their products in the EU because they don't want to abide by the EU's laws? The EU isn't taking advantage of US companies, or looking to pressure the US. The EU has every right to set their own laws and businesses can decide for themselves if they want to sell their products there. The fact that Russia exists doesn't change that.
Because even without public ownership of Apple stock China style or even any lobbing from Apple, the US government are effectively "invested" in their gains via taxation. Apple's interests are the US's interests to some small extent (technically so is that small coffee shop down the block). Geopolitical interest implies they'd care enough to at least nudge the EU a little.
