Talkdown man your knowledge of the subject makes me wonder why you didn't do something about it when you knew what the solution was.
Did you take your thoughts to those inexperienced investigators or the procedures department and if you did what did they say?
Not sure that you are right about Thames controllers taking an unsupported stand - there has been a tactical stop on London city SIDS published by Ops since 2006 and it still didn't reduce the risk