I agree with doing so for generalization purposes

Yeah people wanna claim philly but don't live there or deal with philly problems, it just sounds cool to them. People living in Bryn Mawr and beyond whose parent's don't even let them go to the city like that wanna claim it. Irritating indeed.

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And the septa part, the 'P' doesn't stand for philly so to me it doesn't matter where septa goes.