Need for bi-directional synchronization and longitudinal data collection

Why our ODK development team not to consider the system to perform Bi-directional synchronization and Link longitudinal data to collected data. Why are we not working towards that? ODK is a great data collection platform, but you have let us behind on the highlighted issues and we really need those functionality

Have you seen this?
https://docs.getodk.org/data-collector-workflows/
Also, a new hire will work on just that.