There is a 100% chance that if he was sponsored by Coke, the he would have done the opposite.
There's so much discussion on this board about 'water' vs 'coke' - that is not it. This is a businessman who makes his money from sponsorship. They know what they are doing and how it will be interpreted.
The decision to 'move a bottle of something you're not sponsoring off camera' is inevitably a business decision and normal frankly.