re: But...
Direct Quote:-
"Large ranges in elevations and geologic relations along some
of the proposed shorelines, cast doubt upon the interpretation
of some of these features as shorelines. Further doubt is
raised by the large volumes of water that would have been
enclosed by the higher ‘‘shorelines,’’ volumes"
Sounds duboius to me
Also, if you know anything about scientific publication, it may be a year, or even two between initial idea (e.g. LPSC) and final peer-reviewed paper...