Alpha max is the highest alpha that the flight control computers will allow for a given configuration and weight; it provides the max lift coefficient.
It would be surprising Airbus have not taken into account a safety margin
For me I read through this to mean:
Alpha max is the highest alpha that the flight control computers will allow for a given configuration and weight; it provides the max lift coefficient (with a safety margin) In all constructions or system .. it's always a safety margin ... (factor)
DW
When hand-flown, the last of these inputs is indeed human.
I suppose you mean
First instead
Last
You have First is Last in a single command when pulleys and cables are used for transmit the inputs