> Should you have the right to repair the CPU inside your machine?
Sure, if a component in a CPU failed there shouldn't be any deliberate effort by the manufacturer to restrict it's replacement/repair (especially by entirely artificial means).
> Does that mean the manufacturer must design and manufacture the CPU in a way for you to be able to repair it?
That's unenforceable, but it is preferable for environmental reasons that manufacturers consider the reapairability of their products where possible.
What isn't acceptable is deliberately ensuring parts aren't available or are designed explicitly not to work with compatible or identical replacements.
>Where does one draw the line as things get more and more complex?
If something is actually unrepairable it shouldn't be too much of a burden on manufacturers because there would be no interest in purchasing replacement components for something that is actually irreparable.
>Sadly, we don't live a horse and buggy world anymore where you could just get a new horse or fix a wheel if it stopped working.
Bad faith argument.
Even so, the main argument in right to repair isn't "Oh my gosh everything is so hard and modern nobody can do anything if only we were still repairing something easy like wagons".
The argument is that we should have the right for repairs to occur without unreasonable impediments.