There is the entirely plausible option of the NSA indirectly bankrolling them to counteract the growing number of TLS connections. We terminate your TLS for fre

There is the entirely plausible option of the NSA indirectly bankrolling them to counteract the growing number of TLS connections. We terminate your TLS for free in our server and you don't have to change anything was a sweet deal for website operators _and_ those that want to look at unencrypted traffic. Given enough sustained funding they could undercut competitors and grow to what they are today.