There's a bit of overlap in practice though - and people are interested. Some are interested enough to make things like https://www.cadsketcher.com/ https://www

There's a bit of overlap in practice though - and people are interested. Some are interested enough to make things like https://www.cadsketcher.com/ https://www.cadsketcher.com/ https://blender-archipack.org/ https://blender-archipack.org/ and others. Those really blur the lines.