I’m generally for things that increase credibility of writers, which is the added benefit of these guidelines. We could go on forever talking about how to police it, but the important idea (IMHO) is to protect credible writers.
If I’m advocating WD, I think it’s important that I preface it to people that I work for WD. I can explain why I think WD is valuable, and why my opinion isn’t based on involvement or the like, but you should know that I’m an employee of the company. That’s my two cents (and I have pockets full of change 😉