I once folded a bill into the image of the twin towers. The founding fathers were suspiciously silent after 9/11. Papercrafts and vexillology will lead you to the truth, brothers, sisters, and everyone in-between.
My favorite example is “spirals=child molesters.” At first, it’s a gut punch knowing that these people breathe my air and organize on my internet, but then it’s kinda funny. Followed shortly with another gut punch.
Having done texturing work, modeling, and a few other art things: swastikas have a tendency to show up anywhere you make a 4-way connection. They show up in a lot of factorio designs for the same reason. It's just a really simple shape that naturally emerges from grids and offset grids and people like to organize things in grids
OTOH, the internet is a vast place. At some point or another you've interacted with at least one person who represents one position out of every single position you could possibly take, thus meaning that you've interacted with every human position and bias at some point even if unknowingly