Now I've never had a curry in Glasgow BUT I don't think we can say that a Glasgow curry is necessarily a different species to the rest of Scotland. However I have had curries from Edinburgh, Aberdeen and Dundee (next next biggest cities behind Glasgow) and loads of other other smaller towns in Scotland.
For point of comparison with Scotland I've also had curries in Cumbria, Yorkshire, the Midlands and Dorset. My g/f is from Dundee but lived in Northamptonshire for 20 years until last year and so I also have her experience as reference point of comparison. I see as much in the way of similarities from my own experience.
My point is that I believe there is a certain amount of geographical mobility amongst Scottish and English Indian/Pakistani/Bangladeshi people and therefore the must be some element of cross-fertilisation in terms of curry knowledge and skills amongst proprietors and chefs. I don't think it's right to assume that BB1s recipes represent the whole of Scotland any more than Abdul Mohed's, Dips, or Julian's recipes represent the whole of England. We should just judge and enjoy them for the curries they produce and as BB1's posts are getting great feedback that is valuable in itself.
Therefore I don't think we should get too carried away with differences and thinking that as soon as we cross the border we enter a totally different curry world. Sure you may not understand my accent and may wonder what possesses us Scots to wear the kilt and extend a friendly welcome with the phrase "what the (moderated) are you looking at". Yes we have our funny ways but the tartan (or Glasgow) curry is not, in my opinion, a homogeneous product.