Don’t be ridiculous. I replaced screens on (old) Thinkpads and a Framework and it’s literally a 5 min job, no experience needed. Both have excellent repair documentation. With Framework you can replace any component in that time frame. No, really. Some years ago, with Thinkpads you didn’t even have to disassemble the machine for many components… eg. you pressed a button and the lappy ejected the hard drive.

I know quite a few non-techies who replaced their phone screens themselves. That’s been unexpected and impressive to me. Honestly, you can get unlucky, but in my experience, electronic components are surprisingly resistant to abuse.

Sure, if everything is soldered or glued down it‘s intentionally hard to self-service, but that’s also down to your consumer choices. There is nothing inherently unserviceable.