Partitioned difference families: The storm has not yet passed

Two years ago, we alarmed the scientific community about large number of bad papers in literature on zero difference balanced functions, where direct proofs seemingly new results are presented an unnecessarily lengthy and convoluted way. Indeed, these had been proved long before very easily terms families.In spite our report, same kind continue to proliferate. Regrettably, a further attempt put topic order seems unavoidable. While some authors now follow recommendation using terminology partitioned families, their methods still often trivial or even wrong. In this note, show how recent paper type can be dealt with.