Does this qualify as bike shedding? What is the business impact either way? If someone prefers one or the other, so what!
All arguments seem pretty frail, always reduced to some form of "well this way makes it easier for ME to reason about!". I used to have opinions on this crap, and nowadays I've got way bigger fish to fry than worrying about table name plurality. As long as it's human-legible and consistent, who cares?