Some people don't change unless things affect them personally.
On the other hand if you are an advertiser and can make people feel the lack of something, you can get them to want things they don't need. How many of us felt we ought to put in a report with the number of hours we had done on the ministry, when scripturally there was no need?
And how may decided it would be better to knock on doors of people who weren't interested rather than help the sick, the poor, the lonely and the widow etc?
The Watchtower organisation has set itself up as an educational authority which lords it over others. It dispenses priviledges, and hold graduations. Where in the Bible does Jesus hold a graduation ceremony? Watchtower hierachy decides who will become the new elite, it decides who should be looked up to. And as Sigmund Freud's nephew pointed out, as he established what we call PR, you don't need to bother about the little people. You only need to control the minds of the leaders because all the others will follow. And one of the main tools in the tool box is glamour.
https://stock.adobe.com/ee/images/beautiful-woman-smoking-cigarette/106225135