It’s so hard to explain the concept. Even biker life is often wrapped up with brotherhood, oaths, illegal behavior and living proudly outside societal boundaries. Shriners and other ‘clubs’ are secret for a reason. Many still do not allow women to join at all.
Kind of like gangsters or Yakuza. They have their own code of honor.
And yes, many feel keeping the WS values is part of the American culture for whites. Some are firmly convinced that white is right.
On the other hand, at work or the store they may appear normal, and be kind. Many ride for charities and help children in court, against bullies, rescue animals, etc…
They don’t usually believe their personal beliefs are wrong and it’s very much a lifestyle.
I dated one for years when I was younger and left because it was getting too dangerous, plus it conflicted with my religious beliefs. You can’t underestimate the power and pull of being accepted with likeminded people.
And again this picture is Pre-Trump 2011, these people have been around forever and likely always will be. There are many many more no one will ever see marching. Look out for black flags, those are the ones who think Jan 6th was a good idea.