It isn't voodoo magic, but you are correct that you maybe shouldn't modify critical suspension parts without some understanding of what you're doing.
There are hard rules of reduction percentage used in forming metal, but I'm struggling with how to explain it well in a way that relates to bending 80 series radius arms.
The op is very safe to straighten his bent arms and run them.
Why do arms break when wheeling?
How is that different from bending in a press?