Years ago, Apple banned Camera+ for allowing to take a photo with the volume switch (instead of using an onscreen button). It was "too confusing" and against their Human Interface Guidelines. Then they added that exact feature to the default iOS camera app.
24 was perhaps a bad number to choose, since I read that as 24 hours - which seemed a bit hasty. They could have written "November 9, 2022" or "two years" which seems further into the future.
Maybe i had low expectations, but i was impressed with homepod siri's understanding and how much it could do. I don't know why Apple doesn't just publish a list of all the commands. I documented what i found if anyone is interested: