Because they can never be a part of the solution.
Ask them to pronounce 'unionized'
The chemist may frown.
Everything is fine as long as they are white, it is when they turn black it starts to be a problem.
It has a lot of problems.
What do you call it when you throw a black person in the water? Pollution What do you call it when you throw all the black people in the water? Solution.
