Probably one of the world's most famous public VPN providers is leaking your traffic. The weirdest thing about it is, nobody noticed the traffic before.
Lessons learned: Always check no matter how good the reputation might be.
Nobody is perfect. Half a year later, there seems to be another problem with our famous VPN service. Not so much information about it out there, so here is a link in case you want to check yourself.
Lessons learned: Double check for safety's sake.