Yes + 1
This is how it currently works in Biab and how it should work.
You could enter a lot of chord sections then with the midi chord input function currently in Biab it could be used to go smoothly to any chord section and loop it until another chord is entered:

https://www.dropbox.com/s/v4ylvculacljoak/BB-Reaper-Conductor.mp4?dl=0