... some JWs are not as zealous before with regard to the major subjects such as “sanctification of God’s name,” “vindication of His sovereignty” etc. They begin to feel that such subjects are imaginary issues.
The two issues you post about above are the "fake news" that the WT trots out for public consumption. It even sounds cool because of the big religious sounding words. It's still fake news.
1. The first point is easily dispelled in the statement that "there is no other name besides Jesus in which we get saved".
2. Jesus didn't come to vindicate Jehovah's sovereignty .... whatever that means. He "came so people could have life, and have life more abundantly"
It is not surprising that members are unmotivated by such useless cliches as: sanctification of God’s name & vindication of His sovereignty.