A
alarm man
It doesn't matter if they will or not end of the day they have every chance of being stung by a loose wire once that faceplate is off.
Alarm man - that's like saying what if the flying lead pops out when screwing back.
End of the day it's not bad practise if you don't do it
if the link comes out you still have one leg in the socket,if it comes out the socket you have it via the screws.thats the way we were taught,then again we were taught to twist cable together before connecting..times change i agree,progress i think its called.