From a realpolitik perspective, you have to ask what Spain has to gain from kicking up a fuss here. It’s not like any Spaniard is at risk here, nor does Spain promote itself as a major military power with the means and will of projecting power.

Compare this to the Salisbury poisonings, where a bunch of Brits got caught up, the target was an intelligence asset, and standing up to Russia plays very well with the electorate… there was a coordinated, significant, non-military response across several allies