Trump may not be in a lodge (or perhaps he took a demit) but he definitely knows the principles of freemasonry and associated esoterics, or he wouldn't have made it this far in life.
He's a building developer – you know, actually structures. Reality is fractal, and the same morality principles you learn in the blue degrees are needed to be successful in real estate development.
Freemasonry, rosicrucianism, templarism, etc… it's like calculus or engineering. The real issue here is secret clubs are breeding grounds for corruption, wife swapping, pedophilia, contract murder (read up on Propaganda Due in Italy for more).