The mischief is being worsened and propagated by the phoneticians.
For the sake of simplicity it may be allowed us to ignore some distinctions rightly made by phoneticians.
The phoneticians are doing useful work in supplying an educational need.
The reason why the work of these phoneticians is so mischievous is that they have chosen too low a standard of pronunciation.
These phoneticians would abuse a false position which they have unwarrantably created.