Biggest heavy nerf and biggest L for Kyoto map that no one talked about

As it is shown in the video we can't pick up those objects to climb houses or do parkour like season 4,,how can a heavy reach up there without a mediums jump pad or zipline now? Don't hit me with goo grenades or gravity cubes those are a waste of gadgets and we can't place barricades on that fence...we have two options Option 1: go across the map to find a single goo barrel to climb that house Option 2: lay down and die