Why am I not given Priority Queuing when taking the MRT anymore?

Every morning, I take the train from Ang Mo Kio MRT Station, carrying my three-year-old child. Without fail, an SMRT officer would guide me to the front of the queue.

I am thankful because she understands that I cannot be standing for long.

But things changed recently, when I was told that I no longer have that priority, and this applies to pregnant women, too. The officer explained that such priority is similar to queue-jumping.

I would expect a reputable corporation such as SMRT to show more compassion to commuters with children, pregnant women and the elderly, just as airlines do by allowing such passengers to board first.