Published in the Prophet on 28 June, Ethelbald Mordaunt refers to this article in his “Star Letter” of 31 July. He commended the paper for pointing out the unpleasant consequences of those types of practical joke and was planning to share the article with his next-door neighbour (DP1).
Why would you expect dustbins to DO anything other than contain rubbish?
Although the date printed on the first Daily Prophet Newsletter (DP1) is 31 July 1998, the timeframe for this event is 1992-1993.
From the Web
Writing by J K Rowling on Pottermore: The Daily Prophet