>More than 80 percent of our devices will be able to be repaired at the customer,
At the customer not by the customer. What they mean by this is that a skilled (and probably approved) technician would be able to carry out a repair on-site.
I think it's actually a much more reasonable approach - devices should have a first-class vendor supported route for repair. Outside of that, obviously people should also be free to have a go and repair the device themselves, but there's obvious reasons why that should be at arms-length from the vendor.
Personally I already have an X1, I bought it for work, I have the full 5 year support package and it's great, I think it's a totally reasonable compromise. I'm an engineer using this device for work, I don't expect to be cracking it open and fixing it myself when something goes wrong, and I don't expect my employer to tolerate my not working because I don't have the correct tools.