Theres no millions to message though. Some of the accounts are the same people, just jumping servers to fine one that works for them.

Could be propaganda as well - why not scare the monkeys with the bad Chinese? Without ESPs the market is so much easier to control.

Note:I use both the ES8266ex and different ESP32s in my projects.

Too much fanfare and too little real info shared to be of any value. Sounds more like an ad than infosec

You can already reflash a lot of devices for this purpose. And you could use esp-home to customise once reflashed

In other news: tesla bans third party gas pumps