All this soul-searching about one ATCO making one non-life-threatening error of judgement on one occasion!
It doesn't mean that the whole system is rotten, nor that ATCOs are rotten, nor that Luton ATC is rotten, nor indeed that this particular guy is rotten.
He made one bad call. It has been resolved. It got bose's back up, as it would mine, but now some learning is going to take place.
95% of ATCOs are great 99% of the time. Aren't we lucky?!?