Not exactly though. With POW you need to make a sizeable investment, and hope you'll get a good return eventually. With POS you can keep your money and do it

Not exactly though. With POW you need to make a sizeable investment, and hope you'll get a good return eventually. With POS you can keep your money and do it almost for free (as long as you run a node, not that big of a deal). So exchanges will completely dominate staking, but they likely not even touch POW mining.