Having enjoyed 44 flights on Concorde mostly New York routeing but some Washington ones as well, I feel strongly that the French are by a massive percentage the ones at which responsibility for the crash must be laid. A tyre burst at a critical point on the take off roll should not result in the deaths of over 100 people.
The typical French arrogance in not following BA's example to mod the guards to prevent wing puncture if a tyre burst at a critical point in the TO run, didn't help.
The possible engineering cock up during U/C assembly that caused the offset tracking, made matters worse.
The Air France use of many more retreads per tyre carcase than BA may have been a factor.
The French Flight Engineer that shut a working engine down without being told to, sounded the death knell.
By contrast, Continental is but an innocent bystander.
Aviate 1138