You'd be surprised at how many people who appear to have it all, who are actually dealing with inner turmoil. Sometimes what they are dealing with is worse than our anxiety, depression, or OCD if you can believe it. I'm old enough to have known people who I thought were on top of the world who ended up crumbling and self destructing over something they'd kept well hidden right up until the end. Many so-called bullies are victims of some sort of abuse, themselves and are either using some type of drug (or alcohol) to hold it all together or are empty inside. Even nice material things, an attractive spouse or a seemingly successful career can't save them from themselves.
I've never had bullies do well at my expense, in fact I can't remember dealing with bullies outside of childhood. On the rare occasion when I do encounter an adult attempting to be a bully, I dismiss them for the immature, insecure people that they are. Whenever I see someone who doesn't have the best character seeming to do much better than they deserve, I let it go, figuring it's not my business if they crash and burn or if they continue on and actually are successful. I find that I'm much more at peace when I stay focused on my own life and trying to make it as positive as I can.