Final answer:
The narrator's point of view of Scrooge in paragraph 6 is negative, as the narrator portrays him as contributing to a gloomy and polluted environment.
Step-by-step explanation:
The narrator's point of view of Scrooge in paragraph 6 is revealed to be negative. The narrator describes the town as being obscured by smoke from the iron-foundries, which creates a gloomy and polluted atmosphere. This creates a sense of disdain towards Scrooge, who is portrayed as contributing to the unpleasant environment. The narrator's point of view influences the reader's perception of Scrooge as a negative and unlikable character.