Sovereignty is a slippery abstraction. What we’re talking about here is doing violence against someone on a boat who has directly harmed no one, whose only crime is crossing an invisible line and perhaps stealing some food.

Now, I’m not going to get down in to the weeds about fishing property rights, but it looks like you’re trying to climb up this abstraction layer (“territorial sovereignty”) to justify violence against the peaceful.

If indeed they are stealing from someone under the law, I don’t think violent action via a national military is in any way whatsoever a proportionate response. You seem to be advocating for collective guilt because there are so many, and collective guilt or group punishment is a violation of human rights.