Question:
First, the volume of inbound surface letters is negligible.

Does it follow that "The volume of inbound surface letters is very low."?
Answer:
yes

Question:
Wolff exploits the human tendency to confuse frankness and cruelty with truth-telling.

Does it follow that "Wolff utterly disregards the fine line between cruelly telling the truth and mere honesty."?
Answer:
no

Question:
you know and and do the job well

Does it follow that "Do a good job there."?
Answer:
yes

Question:
The impression of the visitor today will be that very little has changed.

Does it follow that "Visitors will think that nothing has changed."?
Answer:
yes