Describe the speaker’s attitude toward the wall in “mending wall.” how is this different from frost’s attitude about structure in poetry?

Mending wall is a poetry about a wall between the territory of the speaker and his neighbor. The speaker’s attitude towards the wall is that it is unnecessary to have a wall that divides them. It is having a speculation wherein, being close-minded with each other is not an obstacle but an opportunity.

Give examples, people who actually harmed.