If you want to be part of it then you should invest while you can but the minimum for individuals are 32 ETH but I've seen the potential profit of it and it's not that much. Because there will be more people to stake and likely the difficulty will increase and shared rewards will be lesser.
43% of validators used the services of intermediaries
https://beaconcha.in/pools
Vitalik says the team needs to spend less time launching phase 1.
I just find the rewards aren't that profitable at least for me. But no one stops everyone for doing it if they think that it's a good additional income being a validator through those exchanges and pools.