The technical complexity involved here is far beyond my comprehension, but with the advent of nanotech and shrinking microprocessors, shouldn't it be easier to

The technical complexity involved here is far beyond my comprehension, but with the advent of nanotech and shrinking microprocessors, shouldn't it be easier to roll out an autonomous craft? In my humble and perhaps uninformed opinion, the toughest part is the lift-off, the journey and the landing, post that things should be easier.