Apple, along with Google and other companies, gives the government access to pretty much all of our data: https://www.theverge.com/2013/6/6/4403868/nsa-fbi-mine-data-...
Which, is also the main argument of the OP for preferring Apple.
I'd guess that Apple really collects less data because they want to preserve your battery life, not your privacy.
I assumed that PRISM data came from a "backdoor" it had to iPhones. There's no proof that PRISM data didn't come from a backdoor to iPhones. But there's no proof it did come from a backdoor either. So I'll take back that comment.