I would translate this to mean she appeals to those who don't look too closely.....she has a shiny veneer without a substance that can stand serious scrutiny. This is why I view her as incredibly cynical. She knows exactly what she is doing in her manipulation of the masses who don't look at her too closely.
Promise a lot and deliver bugger all.
Ramp up the fear.
Dominate the media space with daily briefings.
Frame the narrative, combined with the fear and propaganda barrage.
Tony Blair was once hugely popular in the UK. Now he is loathed. Ardern's worm will turn. The sooner the better.