"It's been happening for a long time already, the only difference now is a 0.1 degree increase", says the frog while being boiled alive.
When I read that this shouldn't be surprising, it has an aftertaste of "Dropbox is not interesting/surprising because ftpfs+CVS have existed for well over a decade"
This has been standard practice for well over a decade amongst all big internet platforms.
Like, one can argue that regardless, people's messages should not be readable for any reason, but that's gonna be a tough one to get through a court of law.
The obvious difference here is that backdooring encryption is an all or nothing affair, which may require new thinking (it definitely does).
But the ship around this particular form of backdooring has most definitely sailed.
Like, the only reason Apple is new to this game is because they haven't been in the storage/media sharing business for as long as their competitors.
The only thing that's changed here is that there is more encryption around, and so legal guidelines are being written to facilitate this, which has been happening for a long, long time.
(I don't disagree with your overall point, and child porn is definitely the thin edge of the wedge, but this isn't new and presumably shouldn't be too surprising for any current/former megacorp as they all have systems like this).