It's just metadata in the notification body indicating to the device to ignore silent mode etc.
It's e.g used by Pagerduty [0]. It's just a way to override notification settings.
The software for the systems you mention have this entitlement (or some equivalent), but are otherwise completely unrelated to this.
[0]: https://support.pagerduty.com/main/docs/mobile-app-settings#...
Given the latest layoff rounds there is also good chance that indeed they fired the people who had the expertise on this.
However they could also raise taxes on capital gains and top end income brackets - which are at ludicrously low levels for folks of significant wealth - which would go a very long way here. Some estimates suggest it could put the US back in a surplus quite quickly
edit: I'm saying there is an argument for raising taxes. I don't think its off the table like some people suggest. I know it may not be popular with some but we could discuss the merits.
Cutting fundamental government services feels wrong too
Apart from Dark Sky, what other products with users has Apple acquired and shut down? Being acquired by Apple doesn't seem to be the obvious death knell that it is for other companies.
https://www.biv.com/news/technology/bye-bye-android-apple-ac...
I am sorry this is happening to the authors. Maybe it’s related to the scumminess of their blog, maybe it isn’t.
They used to offer their apps offline and you could "host" it anywhere. Venture Capital ruined them.