For example, I am not a car guy, so I just want my car to get me where I want to. I much prefer an engine I can't access that fits my needs over an engine that I can access but requires maintenance on my part. And I understand that people feel the same with computers.
But Macbook Pros are not supposed to be consumer products! It is called "pro", that should be for a reason. People work on these machines, there are developers, sysadmins, etc... You can almost consider it a dev kit for the entire Apple ecosystem. That's why I am a bit concerned. The "consumer product" trend is starting to overstep its borders.