The only thing I claimed about the two as a category was that "strings are not immutable, they're data structures" (which applies to Rust too). I purposely didn't go into much more detail than that because it wasn't really the point of the article. I did mention that C works with strings as raw char arrays, and C++ has a struct around a char array that manages length-tracking and reallocation automatically.

I believe these two statements are accurate, though I'm happy to be corrected if they aren't. It's been a few years since I wrote C++. Beyond that, I see my claims as "abstract" and not "falsehoods".