No not all ports, just power and and auxilary, but I honestly can't recall a single time that I've lost a usb port.

Here's the (excellent) repair docs if you're interested: https://dl.dell.com/topicspdf/xps-15-9560-laptop_Setup-Guide_en-us.pdf

My old latitude from 2011 is similarly easy to repair, it's running a jellyfin server rn.