Basically by posting videos such as that on SM, visible to the whole world, the poster is providing the opposition (Iran in this case) with info on just how good their targetting is and also helping them at a simplistic level with Battle Damage Assessment...(BDA).
Regardless of your views on the UAE, filming strikes and then rebroadcasting the same might well be pushing your luck in any conflict zone.
By way of comparision Ukrainian authorities have, over the last four years, got similarly bent out of shape over videos and images posted by private individuals and some of the MSM for exactly the same reason.