Earlier quoted context omitted.
Still, seeing white people living in such a bad conditions is striking. Please don't take out of context my comment, it's just what I think. I am brown by the way.
Poverty is a class issue, not a race issue. Sometimes they are correlated (US cities, all of the US southeast), sometimes not (west Virginia, rural everywhere EXCEPT the southeast, everything Irish - - you can't get whiter than Irish)
Sectarianism was a pretty dreadful problem in Glasgow (and to a lesser extent the other cities in the Central belt of Scotland) - it still exists although not nearly as bad as it used to be: