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I admit some envy of people who find their passion early and make the most of every year of their life leading up to a careerDon't. At least some of us are having a bad time working because of it.
I found programming in my early teenage years, and - excuse me if I sound arrogant - by now, I've already seen or worked with anything even remotely interesting programming-wise that a regular coding dayjob could throw at me. Gluing together CRUDs from random libraries gets boring very quickly. Solving problems in large systems becomes day-to-day drudgery, because you know that there isn't much smarts there either - all those problems are, unavoidably, self-inflicted. As the codebase grows, you spend bigger and bigger fraction of time allocated to a task on routing - figuring out how to transport some information or command from one piece of the system to another, without turning everything into spaghetti or setting it on fire.
The usual things I see cow-orkers excited about is "oh, I'll get to use generics in Java for this, I've never used generics before!", or "this will teach me Framework X, it's surely a powerful tool that will be very useful for me in the future". They didn't get through this phase in high school, so they're full of excitement about work, however bullshit the project is. If you "found your passion early", you don't get that - all that remains is the bullshit project.
The point being, most of the work I've seen in this industry is pretty meaningless, and it's harder to do if you don't have the comfort of being constantly excited by even most trivial insights in programming. People who started late are better off, because the enjoyment they get through learning also helps them show up and do the work they're being paid for. They don't need to spend time on side projects after work just to retain their love for the craft.