The once expansive bar counter has been reduced to a small corner to make way for more seating with an area to queue. In essence, a large bar that handled crowds well was reduced to make room for a queue, because the new smaller bar doesn't handle crowds.
In all their wisdom, Sea World have gone against the typical practice in Australian bars of a separate queue for food. There's only one line, meaning that anyone just wanting to buy a drink must brave the same wait as those in front order meals for the whole family.