Archaeology is a new and evolving field. In years past, people we certainly would categorize as archhiologists did use dynamite. (study of human activity throu

Archaeology is a new and evolving field. In years past, people we certainly would categorize as archhiologists did use dynamite. (study of human activity through the recovery and analysis of material culture) And OP's general point remains valid -- scientific instruments and methods evolve. Worth considering "why now?"