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FTC urged to make smart devices say how long they will be supported
(arstechnica.com)
This is a most excellent place for technology news and articles.
I think a LAN-connected machine would be good, if you could use an app or open-source, well-documented API to control the machine, but there is no reason a washing machine should need to connect to the outer internet. You can VPN into your local network if it's that necessary to control it away from home.
The new Thread/Matter standard is an attempt to bring together various home automation protocols for exactly things like this.
If were Matter/Thread, I can already ask Siri the status or configure Alexa to announce when it’s done or script my home automation hub to flash an LED indicator.