1. No, it's not all cleaning data. 2. Yes, it's possible to get those jobs. 3. Is there any point - if you want to, sure, it can be a great career. Given that

1. No, it's not all cleaning data. 2. Yes, it's possible to get those jobs. 3. Is there any point - if you want to, sure, it can be a great career. Given that you sound kind of skeptical, maybe look for a field that interests you more than ML.