I think the point is that the Disney veterans pretty much know you can't rely on what a random CM tells you on the phone - might be right, might be wrong. It's the lifeguards that make the decision and it's supposed to be based on occupancy of the pool (this is true even for DVC members who are allowed to hop - we are supposed to ask the resort on the day of, to make sure it's allowed that day), so a CM in a call center somewhere cannot truly give you the definitive answer. That's all - ask at your resort, and chances are high they will say yes. I think people are just taking issue with the post like it's definitely true because one person somewhere said it.