Hacked in a public space? Thanks, HTTPS

Kali Linux, laptop, coffee - hack on!

Have you ever bothered to look at who your browser trusts? The padlock of a HTTPS connection doesn't mean anything if you can't trust the other end of the connection and its upstream signatories. Do you trust CNNIC (China Internet Network Information Centre). What about Turkistan trust or many other "who are they" type certificate authorities?"