1. What are your thoughts on headline?
The headline sounds racist.
2. What could the adverse effect be if we accept the headline at face value?
People will start being racist against Malays. Or Chinese in the other article.
3. What is the likely motive behind publishing the headlines?
To alert people that more Malays are abusing drugs/Chinese love gambling
4. Why do thou think think we are still able to maintain racial harmony despite such headlines being published?
Because we still know that only a handful of them are like that.