Honestly, for this specific use case what I want is for btree to be _much_ better than learned index structures in some cases and _much_ worse in other cases. T

Honestly, for this specific use case what I want is for btree to be _much_ better than learned index structures in some cases and _much_ worse in other cases. That way I can run both in parallel and whichever queries back first is the one I go with. My overall performance skyrockets.