I imagine an EMP would do a lot of damage to a civilian power grid, but a metal ship is very well shielded by its hull and overall construction.
I imagine they would hit back.
And we might get to see the answer to Fermi's Paradox unfold in front of us.
Once intelligent life has reached a certain threshold, it kills it self. Imagine humans being around for 200,000 years. The A-bomb was developed and within about 15 years humanity was on the brink of total annihilation with the Cuban Missile Crisis.
I imagine they would hit back.
And we might get to see the answer to Fermi's Paradox unfold in front of us.
Once intelligent life has reached a certain threshold, it kills it self. Imagine humans being around for 200,000 years. The A-bomb was developed and within about 15 years humanity was on the brink of total annihilation with the Cuban Missile Crisis.