From the post…
> It’s also worth noting that end-to-end encryption is necessarily broken as messages to (and from) WhatsApp, Signal and Telegram pass across the bridge(s).
They store everything encrypted but this may open the door for legal requests to get access.
Yeah ideally they should sell e.g. raspberry pi devices which allow you to self host it at home.
They don't even need to sell this package, it's free and a lot of people do it: https://github.com/spantaleev/matrix-docker-ansible-deploy/
The benefit to hosting by a company is it should be more reliable.