Kiosk sales at malls — too aggressive?

In the category of not-earth-shaking but sorta interesting is this, which I learned while looking up other things:

You know those Dead Sea Salt kiosks at SouthPark (and probably other malls around here) where the young women practically tackle you to get you to try their lotion or whatever it is?
It seems they’re controversial in the shopping mall biz, because A) they really tick off a lot of customers, but B) make lots of sales which makes landlords happy.
The Natick Collection outside Boston is one of several upscale shopping malls that have cracked down. Wish they’d do so here, as well.