Sometimes words exchange meaning, negative becomes positive and vice versa, etcetera.

We know that "climate protesters" aren't campaigning to stop the climate. It's short for "climate-change protesters", which is short for "campaigners for global CO2 emissions reduction to avoid further climate change".

 

In the same way "anti-Vietnam protesters" were "anti-Vietnam war protesters".

 

Famine in Africa is a human crisis, but we call it a "humanitarian crisis" because it's a crisis that demands a humanitarian (charitable, philanthropic) response. “The UN is worried about the humanitarian impact” CMF news "Health crises heighten humanitarian despair in Ethiopia" WHO headline July 11, 2008

 

People like to borrow the phrase cognitive dissonance from psychology to describe people who try and make all their ideas match. But the theory explains that people like to avoid cognitive dissonance: if a beautiful woman gives you a horrible tasting drink, you rate it as less sour.

 

Mental health is used as shorthand for mental health problems, or mental illness. “A helpline for mental-health sufferers...” Hackney Gazette Jan 29 03 “Reforms pledged on mental health of children” Guardian headline September 14, 2004 (They mean reforms pledged ontreatment of mental ill-health in children.)

 

Human rights is used to mean "human-rights record", or "record of abuses against human rights".

 

Abuses stands for "human-rights abuses".

 

Assertiveness is used for "lack of assertiveness: “I can see if I'm being closed out of a conversation and can push my way back in, while other women don't, perhaps because of assertiveness or they don't recognise what's happening because they haven't been in that situation.” Telegraph July 4 09 

 

Every anti-aging problem (Olay ad)    They mean “every aging problem”.