Sidewalks are easy to add. At that end is also the new Top golf which is currently under construction as well as multiple class-A office buildings and life science labs. Many of those are owned by Brandywine Realty Trust, whose CEO was quoted in the article.

I think people need to realize that white collar professionals are not going to be riding the MFL through 69th street and up the NHSL. The real demo for this will allow lower income people, largely people of color from west Philly, upper Darby, and Norristown areas, to access higher paying, quality jobs in KOP they could not get to before.