This couple was in culture shock at the low cost of living but loved the area.
They come from the city in the western suburbs of Boston where I live (median house price $650,000 as of today) and they loved it out there.Much more bang for the buck and similiar weather.
His job took them there and she had no trouble getting a great job. The needs of aging parents brought tham back or they probably would have stayed.
Pittsburgh has jobs, however its a city still in decline... There are a few regional banks, the hospitals, the colleges, a small amount of steel still going on, Alcoa, USX headquarters, Federated, and various medium and small businesses....
However, compared to what it once had, or with the rest of the nation its economically dead. Pittsburgh internally does not have much capital investment and outside investment largely shys away from the region. This place should be a kicking hub of activity, but it isn't due to many factors. If policies were changed so that it wasn't so damned prohibitive in terms of taxes and regulation you couldn't keep companies away.
Pittsburgh really is nowhere near its potential and is far far from its glory days and continues decline. Gulf Oil left, Westinghouse gone, USAir headquarters gone.... etc etc etc... Most people have no idea how wealthy this town was at one point.