ozziepost , an answer to your question.
“Today God's servants are engaged in a warfare, a spiritual, theocratic warfare, a warfare ordered by God against wicked spirit forces and against false teachings.”23 Sept 2015
And it also entails not telling what an adversary wants to know if it means a disadvantage what you dont want them to know ?
Hiding or withholding certain information that is going to embarrass what WT / GB teaches.
It is OK to withhold certain information from opposers if they could use that against the
"truth" of what Jehovah`s Witnesses teach.