There's nothing wrong per-se with the clause, but the linked article, as well as the source WaPo and Bloomberg articles, go out of their way to call it "unusual

There's nothing wrong per-se with the clause, but the linked article, as well as the source WaPo and Bloomberg articles, go out of their way to call it "unusual", which WOULD make it seem like a big deal (if it were true). It all hinges on whether or not it's standard practice – you say it is, but I've at least personally never heard of it before.