All 3 communities are currently seeing monumental growth and a resurgence. Hunts Point is particularly ripe for a station as the population is growing, as is subway and bus ridership in the area, including Longwood.
In addition to making the Eastern Bronx more easily accessible (and therefore more attractive), these new stops on the Metro-North would open up job opportunities in Westchester and other counties to the north to residents of the South Bronx. There is also vacant land, including industrial sites, available for development that could be used to cater to the newcomers and riders of these future stops.
NY State's Press Release About New Yankee Stadium Stop
NY Daily News Article