If the numbers are true, it is no gage of the quality of its membership. How many are are there now just putting in time for the sake of looking active or one step below that, just reporting time without the effort for fear of reprisals.
Religions in the main are social affairs and to be a member and to belong somewhere is one of its perks.
Doctrine can be a take it or leave it thing. Perhaps to remain in business JW org will recognise this...but I hope they fail very publicly and completely.