Arguments against a diglot version focus on matters of cost, production time, and difficulty, and bulkiness versus ease of handling. Arguments for the diglot are mostly in the area of factors which will promote the use of the publication.
The author discusses the benefits and problems of publishing local language translations alongside national language in a diglot format. Taking the example of the language he worked with, Glover explains the reason they decided to publish the New Testament as a diglot edition: to increase the acceptability and usefulness of the translation. He also mentions several disadvantages, such as increased costs and publication time, which in this specific situation were thought to be outweighed by the benefits.