Earlier quoted context omitted.
Presumably because Backblaze's margins are far too low for Apple, so Apple would have to do "Backblaze, but overpriced", which could look bad - or be content with low margin.
I'm curious about Apple's cloud strategy. "Cloud, but only for iUsers" seems... weird, from a scaling perspective? Granted, there are more Apple device customers than any other possible bucket, but is it enough to drive economies down to the point of competing on cloud pricing? And if not, then they're still stealing iDevice margin to price cloud competitively.
Plus, to make their hardware more attractive by having that service available.
Storing backups is probably also quite cheap to do since the data would be infrequently accessed. You don’t need fancy ssds. Cheapo hard drives will be fine.