Along this line...the evidence for lost civ is either lying all over the ground, shattered by whatever forces, or in the remaining constructions, vases, cut marks, drill holes, and all that. As for intellectual...why is it that, aside from a few others here, strations in cores etc. aren't addressed? I've mentioned in the past that feed rates and striations matter. Stocks et al can't replicate and, if I'm to believe Dunn...we can't either given the width of the cuts so we have a problem. If we don't have the tools, cranes to replicate or achieve what we know came about thousands of years ago...ancient advanced civ which was destroyed fits even though most simply can't accept this theory.
If you've followed the evidence...you should be very familiar with Dunn and Ben's work along with the Randall's and Foersters. Is it your conclusion that they are incorrect in the majority of their conclusions?