It's the future, and phones have minimal holes. Wired USB-C headphones do exist, but the solution to storage space has largely trended towards "well have you considered the ☁️ cloud ☁️ ?"
Frankly I'm just glad USB still exists at all on phones. I suspect eventually that, too, will begin to disappear in favor of "haha well we have wireless charging.... What, connect your phone to a computer? Attach a peripheral? Why would you ever want any of that??"