I'm afraid I have to disagree with you.
If you don't like the cakes or sandwiches served at 'tea' would you expect your choice to be 'got' for you? I asked for lemon drizzle which was on offer the day before. I was politely told it wasn't available and yes, the waiter 'walked off' because why should he hang around?
I accepted that.
Obviously, I wasn't there when you were refused your choice of ice cream, or indeed, on the ship but all I can say is, if the service on the rest of the fleet is as good as the wonderful service we received on QV on V314, then future passengers [in QG for us] have no need to worry.