Non-pilot speaking
SyEng Thank you for the detailed information on the physical layout of the TL linkages. In the earlier part of the thread (before #1000) someone gave the explanation of what the electronics are doing when the TLs are moved. It set out the duplicated system to try and catch physical failures.
Yet again I say - if there had been video cameras on the FD??
In the past, there have been proposals to mount one in the central console - just in front of the TLs - and one on the ceiling looking down and also seeing adjustment to ceiling mounted controls.
If this accident had been in the USA there might be strong calls for such a move but whether there is, will depend upon the report and if the investigators manage to discover everything to a good confidence and that will include the cause of the 'look this' question.