Yasin, I know you'll be very upset by today's events and raw emotions will run high,but your comments in hindsight may be something you'll regret.
Whoever was involved in another vehicle will be affected for the rest of their life.
Until the Coroner has held an Inquest, or adjourned pending legal proceedings, no one can judge peoples' actions.
I was OPS3 at Manchester Airport and attended many accidents and incidents over the years and some turned out to have factors that didn't come out for quite a while.
Having a general pop at what I presume are Heathrow Ops does nothing to help at what will also be an equally difficult time.