“For the girls who have never bought a business book, I think this can be the gateway drug,” Amoruso says.
She joked that lip gloss is a "gateway drug" for pre-teens, who are increasingly feeling the need to wear makeup.
The second major critique is that boycotting the settlements represents a kind of gateway drug to boycotting all of Israel.
In this new evolution of activism, celebrities are just the gateway drug to deeper policy engagement.
Photographer Amanda de Cadenet announced: "I told my kid that smoking pot is a gateway drug... to wearing sweatpants every day."
Plus it is clear that plastic surgery is a gateway drug for those both so inclined and so well-heeled.