It depends, i'm from a "working class" background and I speak with fairly strong Glaswegian accent but it's not anything closely resembling your glasgow ned's accent which is invariably put on and is an attempt to make the speaker sound as decrepit and/or out their box as possible. I do tend to look down on people that speak like that though and the surprising thing is it is totally unrelated to upper or lower classes as many teenagers from far more affluent areas than the one i live in speak this way as well, they didn't speak like this as children but have affected this accent to better match their tracksuits,
I'm gonna stop because i'm not sure i'm making sense, i'll try and clarify if there are any questions.
