They talk about this being secure by default, but the standard will only ensure the communications is secure. This won't fix the bigger issues with IoT devices

They talk about this being secure by default, but the standard will only ensure the communications is secure. This won't fix the bigger issues with IoT devices which is that many are built on crappy/ insecure software stacks. If your wifi video camera gets hacked, it doesn't matter if it's using https to communicate securely with your phone or cloud storage provider.