He's saying there's a lot to do and already a constant flux of other new things to learn. I imagine seeing your favorite library being deprecated could be frust

He's saying there's a lot to do and already a constant flux of other new things to learn. I imagine seeing your favorite library being deprecated could be frustrating? But I would say to those people that if the maintainers of your favorite library are saying that there are better things out there, then you have reason to learn new things.