Dear Ray
Thank you for the reply, it is much appreciated. No matter I will write to them to see if it cannot be rectified. You comment is noteworthy regarding linguistics, yet such is the nature of the beast, once a field of study expands in depth, it becomes a so-called hydra of extensions (in many instances anyway).
Now, regarding dialects, the scope is slightly negative as you have pointed out, yet this seems to be a trend, as globalization forces more languages and dialects into extinction. I have noted negative feeling between dialect users in Korea, China and other Asian countries and a degree of dialectal profiling by certain people. In all honesty however there is also the factor that negative information has the tendency to spread faster than positive information.
There are a few interesting sources of information below:
Linguistic Profiling
Categorization of Accents by British children
http://journals.sagepub.com/doi/abs/10.1177/0165025409103871
Role of Intonantion
http://www.sciencedirect.com/science/article/pii/S0095447013000193
Regional Dialect Discrimination