Excellent signage at Vivocity

I visited Vivocity for the first time today. On leaving the train, I could see the signage leading all the way to Vivocity. This is the best signage that I have seen, among all the MRT stations.

I have travelled to other MRT stations and found that the signage to the nearby buildings and shopping malls to be inadequate. This applies to Bishan, Bugis, Tiong Bahru and Raffles Place stations. I got the impression that there was a reluctance at these stations to show the commercial buildings. Why?

Generally, I find the signages at MRT stations and buildings in Singapore to be inadequate and not friendly to commuters. I was quite refreshing to see a change at Vivocity.