Not necessarily, because this would be a civil matter, the burden of proof is a preponderance of the evidence - it’s glaring obvious that this voice is emulating the movie Her and I suspect it wouldn’t be hard to convince a jury.

> Sounds like one of those situations you'd have to prove intent.

The discovery process may help figuring the intent - especially any internal communication before and after the two(!) failed attempts to get her sign-off, as well as any notes shared with the people responsible for casting.