Why Is It?

Cause that’s what mechanics do these days, replace parts. That’s where the money is, so why bother learning diagnostics, they have code readers for that.

Reline a brake shoe? You can do that?
Rewind an armature, how do you do that?
File points? Clean spark plugs?
Rebuild a carburetor? What’s a carburetor?
Everything is an assembly or a Module nowadays. Electric fuel pumps were replicable when injection came out in the 80's. Now you replace the whole shootin' match. "module". You'd think labor would be cheap because the job is easier. No, the shops just jacked the rates up. Our Chevy dealer in town is at $225/hr.