The NSA leaks dominated news cycles for the entirety of 2013.
This is as helpful as Whatsapp's so called E2E encryption comms (that just happens to not be applicable by default in certain situations).
it does give better peering. reduces latency a bit for me.
but you can also see from curl or traceroute, that the endpoint you talked to was a cloudflare ip and your ssl ended there. after that you can't see inside cloudflare.