It will if implemented, only make official what we have been doing in many trades for years. People sit in the cushy postings for years on end not doing their actual job, while the working bodies move around, deploy, and generally carry the weight so the "special" ones can bounce from chit to chit for years on end.
My trade in Esquimalt has several people on MELs not doing their job, but collecting PLD, and in some cases SDA to the tune of around $13K more a year than the rest of the trade. Since they are medical they can't be moved, so the people that work, and actually do the job get moved, deployed, and sail constantly to make up for it. When they burn a couple out they replace them with a few new people and the process continues...