Woodbury (1975) does argue, however, that absolutives are more relativisable in Greenlandic than are ergatives, on the grounds that (1) RCs [Relative Clauses] formed on ergatives are somewhat more restricted in the distribution in matrix clauses (p. 21) than are those formed on absolutives, and (2) for certain verb classes ergatives cannot be relativised out of the active participle (p. 27).
It sounds sciencey, it looks sciencey, and it can fool a lot of people into thinking it's scientific but there are clear reasons why it is not.
Delving into my (very private) logbook, I found that I had described them then, simply as Brainstorms and bullbleep!
The reading of this Paper put Mrs. Bull in such a Passion, that she fell downright into a Fit, and they were forc’d to give her a good quantity of the Spirit of Hartshorn before she recover’d.