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Right, so HE boated across the 10 mile Wallace Line, say around 70 KYA, when he a) finally could, and when he b) felt forced to in order to escape the Toba disaster, and he walked the other 100,000 miles from Africa, between 2 MYA and 60KYA, notably across the SE Asian continental plane: the 'Java Savannah' (now sea). Both north via Sulawesi, Sulu landbridges, the Phillipines, then south to Papua New Guinea across the Wallace Line and the now sunken landbridge (perfectly visible on Google Earth), as well as a more southerly route, south of Sulawesi, across the 'Java Savannah' and the Wallace Line, then via Ceram and the other Moluccans to Papua New Guinea.
A more southerly route still, hopping from Bali to Lombok, Sumba, Sumbawa, Flores, Timor and Pulau Jamdena to Papua New Guinea may have been the much less travelled route by hominids.

now sunken landbridge (perfectly visible on Google Earth),

Could you show that please?

Roy.

and he walked the other 100,000 miles from Africa, between 2 MYA and 60KYA

It's possible but I still maintain that crossing a deep river is not child's play. Land travel ( sans roads and bridges ) is dangerous.

Yes, they could have done it....except for the big river parts... but it is not as easy as you make it sound.

Digit wrote:

now sunken landbridge (perfectly visible on Google Earth),

Could you show that please?

Sorry, I'm not an optician and I can't perform miracles. You're on your own.

Well I tried but couldn't see it, I thought perhaps I was searching the wrong place.
Miracles are not required.

Roy.

Digit wrote:Well I tried but couldn't see it

Apparently.

I thought perhaps I was searching the wrong place.

Probably.

Everything that is light-blue sea on Google Earth, that's the continental plane, was dry land during the Würm.