The company stated one of the reasons was the difficulty of printing and distributing updated checklists to all the planes in an orderly way. How about you don't do it very often, seriously, updating checklist too often has it's own safety issues.
FltOps dept is really dropping the ball on this, the last checklist just removed was in for a year.
How about this, put out a FOIB> new checklist, print and carry or use electronic until all A/C checklist have been updated.
Problem solved.