They use loaded language a lot, which is one form of what you are talking about, for example "right hearted ones blah blah " mature christians blah blah" etc.
Loaded questions too are a speciality "Do you, as a Christian, think that ....blah blah ?".
There are even more subtle ones where try as you might you cannot fault the actual statement, but we know how thw average JW will interpret the words in their own mind.
"Mentally diseased" for example.
I simply cannot bring myself to read their trash anymore, but shortly after I left I began to notice all this stuff, along with logical fallacies and false argumentation of all sorts, half truths, misquotes/half quotes and downright lies, in every piece of their literature.
I asked myself, if they had the Truth, why use such underhanded subterfuge ? and if they really believed it themselves, how could such an idea to work that way come up in to their heart ?
The two answers were plain to me.