What does Jeremiah 12:1 mean?

Lord, you always do what's right, so I can bring my case to you. But I still want to ask: Why do the wicked seem to succeed? Why do people who cheat and betray others have such an easy life? Jeremiah 12:1 - Modern Text Bible

(Jeremiah struggles with the age-old question of why bad people seem to prosper while the faithful suffer.)