I'm a Cockney Malteser 👑
I don't know why time keeping is taken out of the hands of the officials altogether - this is something that can be electronically done (as in rugby, I believe), on a clock that can be seen by everyone.No 4.
Role of the 4th official. He should be the time keeper. Also he should only be contacted by the managers if they want clarification, not because they want to swear at someone.
If he kept the clock, maybe he would make allowances if teams were endlessly wasting time.