I think it's less a rivalry than a kind of surprised CYA response to the new administration's ramped-up FTC, FCC enforcement.<p>This made me laugh: "[Apple] relies more than any other tech company on so-called 'native code'…"
Pretty interesting match-up really: ruthless efficiency versus individuality; process versus personality; open versus closed; workaday versus sublime; dauntingly powerful Borgian collective versus one man's vision.