Apple has the money and influence to buy this exploits and analyze them, probably NSA are using them too so Apple won't attempt to upset NSA so they do nothing

Apple has the money and influence to buy this exploits and analyze them, probably NSA are using them too so Apple won't attempt to upset NSA so they do nothing because the "good guys" are using it too. Also Apple is notorious on their bad bounties and on have a bad history on providing researchers with unlocked devices for testing, probably Google found more security bugs in iOS then Apple.