https://ny.curbed.com/2018/6/20/1748...s-construction
Airtrain LGA continues to move close to actually happening. The environmental review process has to be completed. Meanwhile it appears the state legislature will pass this bill authorizing the Port Authority to use eminent domain in order to build the Airtrain LGA.
Airtrain JFK happened over substantial community opposition as well. But NYC is a world class city, and the needs of the city's economy frankly outweigh the usual complaining NIMBYers. If people like them had their way, NYC would still be wilderness.
A lot of people hate new things period. But change is a part of life whether we like it or not.