Whether it is a decentralized or centralized exchange but traders always looking at the liquidity of the exchange. The market volume and the number of trading pairs. And the second priority is security, as long as the exchange has been built a strong reputation that is fine to them. Both of them had a pros and cons that might we can benefit most.

Here is my short insight between them.
Decentralize:

• Not recommendable to newbies
• Low liquidity
• Anonymous/Anonymity
• You have a full control of your fund

Centralized:

• Easy to use by newbies and has advance feature
• Good in terms of Liquidity
• They are party between traders and they are controlling your fund, not you
• Collecting your personal identities and should pass KYC

Now, you think which better for you.