How does "Letters to the Winner", convey a variety of ideas about change?

In Letters to the Winner, Les Murray conveys a variety of change in many ways. It conveys the idea that some changes that are perceived to be positive to some may actually be negative to others.
In the poem, the persona's neighbour, a divorced man who leads a lonely and tedious life, has just "won the special lottery" and has now been bombarded with letters from others trying to leech some of his winnings. This change is overwhelming to him and become a burden to him.
Winning the lottery is seen as a catalyst for change. In the second stanza, the imagery allows the reader to see the kind o…