I haven't read all 8 pages of this thread, but am willing to put my 0.02 worth in...
Disclaimer: I have no idea what they will do, but can speculate like every one else.
The key - I believe - is with the two sentences that appear in the OP's posting...
Will last only eight hours.
This time, the Ministerial Servants may not participate.
This means that it is not doctrinal, only 'legal' or something that the elders need to be made aware of. Especially in light of their losing a particular case recently in California. Can anyone figure it out? Buehler? Buehler?
That's right kiddos... the Candice Conti lawsuit has had a bigger affect on them than they will publicly admit - but they will hold a crash course session - 8 hours - to bring elders NOT MSs - up to speed.
That's my thoughts. I know others have also figured this out. ... well, except for the elders who have to go to an 8 hour session later this year.