What is commonly referred to as #repairability actually refers to (parts) #replaceability: you can disassemble a device and replace it's parts.
For consumer electronics the built-in parts are complex, expensive, and not necessarily widely available, so that repairing in the same sense as you would repair a, say, broken cylinder head in your car engine, is simply impossible. For instance, the camera of a Fairphone 5, with a repairability score of 10, would cost you > 10% of the phone itself...

