Interestingly enough, this argument seems self defeating. Let's think what he's saying:
a) Aliens who can get across space to us would be far in advance of us in all dimensions of technology.
b) They would also be far smarter than us because technological evolution would act much more than biological and therefore give them machine-brain interfaces.
c) With their great science they would be able to know what we're like (so far below them) and have no need to come here.
except as far as I can see, c) is overruled by b)
If aliens have got so far by technological evolution and use machines to augument their bodies and minds, they're not really that far in advance of us - they just have better tools. They wouldn't see us in that case as insects - rather as cripples who just need a wheelchair. If they used their science to augument our bodies and minds in the same way as they do with their own, we'd be perfectly able to have conversations with them.
a) Aliens who can get across space to us would be far in advance of us in all dimensions of technology.
b) They would also be far smarter than us because technological evolution would act much more than biological and therefore give them machine-brain interfaces.
c) With their great science they would be able to know what we're like (so far below them) and have no need to come here.
except as far as I can see, c) is overruled by b)
If aliens have got so far by technological evolution and use machines to augument their bodies and minds, they're not really that far in advance of us - they just have better tools. They wouldn't see us in that case as insects - rather as cripples who just need a wheelchair. If they used their science to augument our bodies and minds in the same way as they do with their own, we'd be perfectly able to have conversations with them.