I think the idea of duality explains the nature of freemasonry very well. We've all heard stories about freemasons being involved in a lot of conspiracies and the like so I studied a little and I've met quite a few low level masons myself. Even thought they deny it, they have a tendency for the occult and of keeping secrets, but overall freemasonry teaches them a lot of good things. A popular myth is that Lucifer is the god of freemasonry, which is true, their version of Lucifer is that of a benevolent being who represents knowledge and truth and they believe a true mason must constantly seek knowledge for the sake of others. The same thing can't be said about the high ranking masons, who worship a lot of wicked deities.
A good example of those high ranking masons could be the British royal family, like Prince William and Queen Elizabeth, because a lot of members of that family are 32-33 degree masons, the Rothschilds themselves have married with the British royals and they have married with a lot of the European noble families over time, like the Aldobrandini family, which is part of the Italian/black nobility families. So their wealth has grown over time. The Rothschilds were involved in grooming Clinton for presidency months before she launched her candidacy. and they also bailed out Trump when he almost broke his father’s business so they’ve been involved with a lot of politicians and It's safe to say a lot of those nobles I mentioned before are involved in the whole mess too.
So you see, both the stories about freemasonry being a friendly fraternity with slight occult leanings and the ones of the masons being dark occultist being involved in conspiracies are true simultaneously. That's why I consider freemasonry to be a secret society despite the fact that a lot of masons like to sell themselves as being part of an "open society". Keeping secrets is common for even the low level members and the high level members are involved in a lot of corrupt things.
What interesting facts do you know about freemasonry and other secret societies?