Thanks Gillian. Indeed too new to be in WT+. There's this:
It should never be a suffix acquired after death or a suffix the person themselves would not have used.
— https://www.wikitree.com/wiki/Help:Name_Fields#Suffix
Since it falls well outside of WikiTree guidelines and policies, I think you can remove it as Sandra did on Mabel Hoium's profile. For orphans and profiles you manage, just do it. For profiles managed by others, you might take a more diplomatic approach. Or be bold.