I bought his book to see what he found. It was a pretty long technical report, backed by his experience in the field of geography. I slogged through the book but found nothing that would warrant going back to the Moon ever again!
The risks and the expense of Moon exploration and development couldn't be justified. I don't see what has changed since the Apollo days.
For just the reason to go there, no, but the advances in technology would not have had the reason to happen without it. It appears your interest path is more centered around the earth sciences rather than engineering as a whole.
https://en.wikipedia.org/wiki/NASA_spin-off_technologies
Harrison Schmitt.
You can use the same justifications to Queen Isablea to not finance C. Columbus on his quest to find a short route to India.
A renown geologist who walked on the moon writes a book about the geology of the moon and with all the publicly known anomalies about lunar geology there is nothing worth going back to study?
However, on a different track, had we used all the money we spent on Apollo and other worthless space programs and just hunkered down - why with all that money spent on feeding and sheltering (along with various and sundry free stuff) the hungry and homeless, Johnson’s War on Poverty would have achieved total victory! Hip Hip Horay! Go Linden Go!!
Let the Chinese and others waste their time going to the moon and on other space ventures, who cares how many military bases they set up on the moon and at Lagrange points? We are feeding the hungry and homeless with all the free goodies they could possible ever want (made in China of course). America, the land without hope and without dreams ...
One geologists traveling a few miles in the rover might have missed a few things.

He who holds the high ground has the advantage in any battle.
Our enemies are going, we have been there. We need to return and stay.
“I slogged through the book but found nothing that would warrant going back to the Moon ever again!”
Our enemies don’t have the same opinion. It has been well noted that the technologies developed for the space exploration efforts have more than paid for the accumulated costs of the moon landing, many times over.