There is no objective meaning to life. Any meaning imposed by yourself or others is arbitrary and completely subjective.
As a human you are trapped on earth and nothing you do will affect the Universe in any way. Nothing the entire human race has done or will do will affect the Universe in any way. .... Ever
If a Billionaire turned comic book EVIL and decided to go rogue.... What exactly would stop him. Most countries don't have the money or desire to do anything
Because they seem to fall into two categories. Those that have been compromised
And those who haven't.... Yet