Truly, they plan to offer extensive methods beyond existing exchanges and I think they have proved that to be the case with the amount of tools they are offering on the exchange to make trading easier.
Concentrating on fiat to crypto conversation will be a good niche for them cause that's one area where people tend to buzz off especially those new to crypto, due to the complex looking process.
But to be honest that will be a lot of work for them. We all know how hard it is to get fiat on a trading site is and then transferring that to your personal bank account will be another heck of a task.
Herculean it is but achievable as well
It took a great deal of time to come to this technology called the blockchain it will take another great deal of time to reach this part of the exchange where converting from crypto to fiat become common