Just because you don’t bother to run a proper server in your home, don’t assume everyone is like you. I run HA in docker on an unraid server that has 20TB of storage, 32GB of ram, dual nvidia 760s (old but perfect for running windows and linux VMs), etc… There are PLENTY of HA users that could easily run the backend for this.
In fact, I have no idea why anyone would think to run HA on a PI except for pure testing purposes prior to doing it more properly. No matter how user friendly HA is overall, it’s not (and never will be hopefully) purely plug and play for someone with zero technical skills.