This is probably underpinned by one of their new(er?) expressions, "listen, obey, and be blessed". [Notice thinking about anything is not a part of this equation.]
So everyone has to be the same. In that world, everyone would be lock stepped into the same life pattern.
Easier to control the rank and file that way.
Having said that, I'd also say that this particular CO isn't the sharpest tool in the JW box. A lot of people listening to this might question that statement, even JWs.