It even prevents most state actors from accessing them. There's probably only a handful of state actors that have the means to get access to your Facebook data.

It even prevents most state actors from accessing them. There's probably only a handful of state actors that have the means to get access to your Facebook data. If you travel in any of the other countries, the host state won't be able to break SSL or to get access to your data otherwise. And that can be very important if you travel in countries where a wrong post in your timeline could get you in trouble.