https://thumb.wikimedia.org/wikipedia/commons/thumb/1/18/200...
At a bare minimum, yeah, you quarantine that whole fucking species.
I would expect any civilization to exterminate or at least cull the creatures that pose a threat and to cultivate those that are tasty or useful.
That leaves our successor species, the machine minds, with replicators and free energy, I think you mean.
The Milky Way is 100,000 light years in diameter.
So don't worry, maybe someone will blip us out of existence someday.
This is the key. On interstellar scales, things move very, very slowly and you have to plan on time scales measured in millennia. IMHO we are doomed simply because we can barely think beyond the next election cycle. (At least that's true for Americans. The Chinese seem to think in terms of decades and, occasionally, centuries.)