"Who are you, and what makes your viewpoint anymore valid than all those unethical archaeologists then?"
I'm somewhat confused as to how you've come to the conclusion that he thinks his is more valid.
??????..... "So for 4 years, not only was my viewpoint valid, it was correct."
Didn't the first posting also put forward the preferred solution then?
"Furthermore, in our view tunnelling is not "preferable"; it is a dreadful last resort, if all else is impossible."