Article is mistaken these subs are not available to businesses. Companies are paying much closer to API prices. The strategy is to get you accustomed to infinite tokens on your personal sub and bet that behavior transfers to work.
It's not hidden at all, Claude pushes it even tho it poisons the context after every edit with false positives because it's always out of date. This feature should be hidden given how half baked it is.
Article incorrectly claims that calling a method on a nil value results in an error. Only attempting to dereference the pointer does. It’s fine to call methods on nil and that’s part of the “make the zero value useful” philosophy.