Repasting a MacBook

Don't use regular thermal paste or pads in a Mac. They're not suitable for non-pressure mounted applications.

You can buy TCRS Carbon Black if you really need to repaste a Mac part instead of swapping a new part that was pasted at the factory.

This. Its not a case of Carbon Black being better over other acceptable options.

The thermal paste applied in this article needs pressure on the two surfaces making contact to function at all, and to remain functional. The laptop isn't built like a desktop cooler setup.