Yes - especially in US and UK where bigger storehouses are being built all the zealous and deluded go to Bethel and building projects. (But where they closed the Bethels and kicked them to the kerb - well tough.) It's like a long gap year lasting between a year and several years when many are burned out or booted to the kerb.
Meanwhile lots of congregations who lose these zealous and deluded have good old boys running the show and watchtower articles begging them to train up what youngsters they have left!
But this show will go on in some form or another as mentioned above - it will be about "listen-obey-be-stressed-and-depressed" - so don't hold your breath for a collapse.