Is "targeting" really a large requirement to add on to a device that needs to be able to fabricate spacecraft from raw materials wherever it lands? >But if the

Is "targeting" really a large requirement to add on to a device that needs to be able to fabricate spacecraft from raw materials wherever it lands? >But if the goal is to proliferate and explore (or consume) as much of the universe as possible as efficiently as possible, then targeted probes seem less likely to succeed over the scale of time necessary. Less likely than non targeted ones that you say wouldn't get past the first generation?