OpenWRT started to fork 19.07 from Master

Sure, if you are content that it takes years. And

that development resources are being wasted on some obsolete code that has long since reached EoL.

Quite a number, just an example amongst them

Your (happy go happy) perspective is appreciated/respected but perhaps not shared by every one else

Not sure which kick-starter core promise you are referring to, to deliver a routing device into production?