Decentralized exchanges are the ones needed most, we are trading decentralized coins in centralized exchanges

but no worry we have great dex OAX developing
No, we don't need exchanges, centralized or decentralized.
If we're going to really move to a cryptocurrency we must start using cryptos directly.
Right now exchanges have gone far from what they were supposed to be and ended up as a stock market where everything is priced in fiat.
We only need places where people that haven't yet bought coins can buy them, and A LOT of places where people can spend their coins without having to sell them for fiat before.
Current exchanges should have the fate of those exchanges that Europe was full of when we had 15 currencies more.
Cryptocurrency needs proper identity verification
It's the most common thing needed it's the main reason that is stopping CRYPTO to enter real world.
Define "proper". Some might find your definition of proper identity verification a breach of privacy.