"Crypto hasn't decentralized anything, because it is funneled into exchanges and fiat is spent on the ground. "

There are some great decentralized exchanges and I am sure you have heard of BitShares where anyone can create any pairing.

Some other great Dex's are

https://kyberswap.com/

https://idex.market/eth/idex

https://oasis.app/trade/market/WETH/DAI

Check out this article from Yahoo on the volume these Dexs are starting to get

https://finance.yahoo.com/news/ethereum-dex-volumes-grow-200-150855718.html