Frankly, I think this is a classic "choose your battle" thing with Disney. I am sure there is a reason people are not called out on this issue.
During my stays at the Poly, I frankly never noticed what and who was filling any type of container.
I did however see a family place their order at the screen, pay for it and then help themselves to extra bakery goods. The Mom looked at the kids and said and basically said to take what they wanted, no one would know and grab some extra bottled drinks too while you are at it. Yep, I witnessed this whole disgusting display. In all honesty, how Captain Cooks is laid out, this is very possible to do.
As much as I would like to be the morality police, I just bit my tounge and let it go. It frankly was not my place.
I don't get the entitlement thing. I spent thousands on our last vacation, does that mean I should get my beverages for free? Or bakery items or whatever? It is sad that it has come to this.

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What a horrible thing to witness.