alt Hacker NewsWe have no idea how two entirely different biologies would interact, if they would at all. Its something that we should study before jumping in head first, but to think that we would travel light-years but not consider the implications is a little preposterous.
We're considering these implications right now, so yeah it's preposterous, but you'd be surprised (or maybe not) with the number of people that would dismiss these considerations as pointlessly delaying progress.