It is wrong to assume most hackers make a financial gain from their activities, although many do. Some are criminals, others work for governments and large organizations. Others do it as a passion or hobby, they hack in their spare time for the challenge, or sometimes for a political cause. Many hackers are active for a finite number of years before moving on to other things. There are numerous business opportunities for ex-hackers to take up, from security to building PCs. Ex hackers are a popular choice for program makers as they often give an edgy slant to the discussion.”]
Source: https://gbhackers.com/what-a-hacker-does-when-they-retire/