(including chance that u get -EV and banned sometimes)
If you choose wisely, you will never get -EV.
EV stands for expected value, which should always be positive
What you probably mean is just a negative result called back luck, which can happen in any progambling proffesion (Sports, poker, skill games, financial trading etc.)
Oh and about your question, yes there are still money to be made. Smaller every year, true, but still there are.