Well the Pegasi there probably have a low perception, crime and shenanigans are so low in occurrence (outside at least 4 of the mane 6 and the CMC) that no one has their guard up, and add in that Dash works there. There solved it, Tank didn’t matter because they are all in a peaceful country with no real threats and they trust too much.
Dun dun, dun dun dun dun, dun dun dun!