Sulawesi, Luzon, and Flores each had a fascinating history of archaeological investigation of Pleistocene sites, with significant discoveries of artifacts. That history sometimes gets swept under the rug in stories about new findings. To many it was no surprise that habitation was ancient.
Dating for the specified archaeology sites ?
When did the Makassar Strait, the rift between Borneo and Sulawasi, start to form ?
For how many millions of years has Sulawasi been an island or island chain ?