Is the purpose behind this decision to prevent others from putting out fake SIAI papers, to deny the benefit of SIAI's effort to potential competitors, or something else?
Don't know. I'm just a minion! I can only speculate based on what reasoning I would use in Luke's place.
It's analogous to not handing out your letterhead in the days before copiers.
The Singularity Institute has recently made the transition to a LaTeX based document production workflow for its publications and republished its existing research papers. However, there is still much work to be done and we need more remote LaTeX editors. Some projects currently in the queue include converting both The Sequences and Facing the Singularity into LaTeX based books.
As with other remote positions, pay is hourly and starts at $14/hr but will increase if you produce a good product.
Perks: