Anti-terror message on NEL Stations' Overhead Displays

I usually travel on the EW line but recently took the NE line from Outram Park to Puggol to take a look. While waiting for the train to arrive, I watched a video clip depicting a youngster leaving a bag in a train and later detonating it via a cellphone and also scenes of various train bombing incidents from other countries(India etc.). I asked my friends who are taking NE line frequently and they said that this video has been ongoing for quite some time.

I personally found these videos disturbing to a certain extent as a local and I wonder how it feels like to be a tourist viewing all these videos of violent and so-called supposed to be 'educational' to the public. I understand that the public must be educated to be vigilant in case of terrorist acts but I believe that these can be done at a more confined level of national education in schools or even national service. With the TV already showing homemade counter-terrorism shows on channel 5(i don't what is the name of the show). I think that the government/SMRT/SBS should downplay on its counter-terrorism education on its public transport system. Theres a limit and everything after that turns to irritation, like the PA system telling people to call 999 if they find suspicious packages in 4 languages.

As not only Singaporeans take public transport, tourists also take them. If i am a tourist visiting Singapore and taking the NEL, I will think that Singapore is under a siege or in a high military alert state. As a tourist(or even commuter), I rather prefer to look at information on how to get to places and maybe some advertisements on places of interest/shopping which are near MRT stations.

Cheers,
bryanseb