TD was discovered before the tools existed. TD occurs on machines that have never had the tools run on them. The tools were developed over a period of two years in total to test for susceptibility to TD and fix it for all but the most severe and rare of hardware failures. TD caused the tools. Find another expert.
Experts often have differing views.
They are not neccessarily wrong in what they say, as such, but may not have the full picture. Mike Echlin and Jace Crouch have been researching, experimenting with and testing this since August 1997. They too have at times followed blind leads as is common with such a technically difficult subject. Business users must assess the criticality of their operation on the correct time and date, just as for Y2k itself. We strongly advise that no small company should be totally dependent on computers anyway, unless they are an integral part of the business itself - like computer aided design.