Earlier quoted context omitted.
In what way? You know, there are printed time tables hanging in all stations. They are even online, accessible from the middle east!
Timetables can change, 'live' data does not. But, if it's 'calculated' then you're right, and it's pretty much a visual timetable. Also, I know you were joking, but let's not generalise and say middle east shall we? :)
Back to the topic: Munich had something for the S-Bahn, the commuter train system, in their app for several years already. I really doubt that it's a security risk and find it sad that this is the first reaction something as nice as this gets.