I generally agree and expect this to be the case from a legal perspective.

Legal questions of authorship are going to have to be established in terms of doctrines like SSO [0] and AFC [1]. Currently the incredibly sparse caselaw around this has yet to involve such non-literal notions of copyright.

[0] https://en.wikipedia.org/wiki/Structure,_sequence_and_organi...

[1] https://en.wikipedia.org/wiki/Abstraction–filtration–compari...