[type0]

> Wouldn't the attackers just "accidentally" spill coffee on your laptop?

The difference is deniability, you can always see that someone killed your laptop with coffee or smashed it with a hammer, with this you wouldn't know until you can examine the circuits.

[iplaw]

And even then, power surges do happen. Circuitry get fried from time to time. There is still a level of plausible deniability.