Google Messages definitely supports dual SIM, I have a physical SIM and an eSIM in my device and you can choose which one it sends from on a message by message basis

If you wanted to do something like this you could put the charger on one of those electrical plugs with a timer, or a smart plug that’s switched on when the battery reaches a certain threshold

Millions of Facebook users outnumbering previous users 100 to 1 will kill it. Oh, there’ll be more activity than ever, but it will be a sanitised corporate safe space for advertisers, where millions of normies argue about politics, with misinformation and ads sprinkled throughout.