Yes because the police are trained to do their job and even though some people are against the police they are trained and not everyone is a good person.
i believe the answer is
a) greasy and soapy
unctuous: (chiefly of minerals) having a greasy or soapy feel
Bittman's style tells me that he likes to cover every point and is very precise. He makes sure that everything is mentioned and also tells you the benefits and obstructions of the decisions the could be made.
I'm pretty sure it is a metaphor
Dear Mr. Garcia,
Hope this helps!
