Originally posted by Baron von Tansley:

I literally just experienced this, except with a troll raid. I'm devastated I lost my two-star pig. I wish the AI would prioritize attacking me adjacent to them shooting arrows over pigs/structures.

You are always the priority, but if you stick around too close to your piggies then... well, collateral damage is a thing, especially if something happens that causes the trolls to lose track of you (or the boars just happen to be between them and you).