So, when the kerfuffle started last week, I checked my next two cruises that I have e-docs for. The August 21 cruise had the $14.50/day, and the August 28 cruise was $16/day.
After a head's up from another group site for the same itinerary, I just checked again, and lo and behold, my August 28 cruise is now
Gratuities A $14.50 per guest, per day gratuity will be automatically added to each guest’s SeaPass® account on a daily basis to be shared among dining, bar & culinary services staff, stateroom attendants and other hotel services teams
So it was either a clerical error, or the blowback was so extreme that they reversed course.