John Fogarty of Creedence Clearwater Revival replied to the criticism that they were a three chord band by saying they would be a two chord band if they could.
Your basic premise that BIAB uses too many chords is not true. It uses as many as you type in. I suspect that rather than create your own you are just opening demos. Or maybe importing sequences from Scaler you have referred to in the past. Are you creating any of your own music at all?