Something Apple could do is extend macOS’ finger-pointing at resource hogs. It already lists egregiously heavy apps in the battery status item, but if it did so

Something Apple could do is extend macOS’ finger-pointing at resource hogs. It already lists egregiously heavy apps in the battery status item, but if it did something more visible like show a notification (or maybe even paint a red outline around windows of offending apps, it’d increase user awareness and thus pressure on developers to do better when it comes to efficiency.