In ADA riche get richer?

[CreekWalker]

Yes. bigger pool dosen’t mean more money. it gets saturated.
(Top ADA owners can stake to serveral pools tho)

Search here on the forum for more info:
https://forum.cardano.org/search?q=saturated

Or look at this topic:

Delegating to the saturated pool is less profitable

Delegating to the saturated pool is less profitable In order for the network to maintain a high level of decentralization, it was necessary to devise a few rules governing the protocol. One of them is a saturation of the pool. Delegating coins to a saturated pool is less beneficial as it generates less profit. Let’s explain exactly what the saturation is, how to calculate it, and which tool to use to find saturated pools. Keeping protocol decentralization In Proof-of-Stake (PoS) system the n…