It has been explained, that you must pay full rack rate for a room at a Disney owned hotel to receive "free" dining. Evidently, otherwise you could get a room at a discounted rate....so you are actually "paying" for the
DDP. I assume this is the reason the gratuity is now OOP for DDP.
I hope the OP doesn't mind me answering the iced tea question, but I assume they meant the only service they received at H&V was their drinks....and maybe a refill. The worst service I have ever had was at H&V. If the food had been edible, I might have given it another chance.