This means you're probably not using the laptop as a workstation. Say, graphics, CAD, CAM, video or audio authoring.
To do these you might want extra ports for say audio interface, specialized controller, digitizer...
And a video output to present the results perhaps.
Instead you get to carry that and an interface box.
Not that i wouldnt agree with you but when you are doing music production you will need powered hub anyway. At minimum i plug in mouse, soundcard, midi controller and most of the time keyboard and midi keys.
This is problem on every laptop since most of them have under 4 usb slots.
To do these you might want extra ports for say audio interface, specialized controller, digitizer... And a video output to present the results perhaps.
Instead you get to carry that and an interface box.
More disk space and RAM are major assets too.