It is called Total Aeronautical Experience. Hence why as co-pilot, only a percentage is counted toward TAE. There is only PIC.
Logging time at home pretty much sums up your understanding of the reasoning to which I was alluding.
There is much more to the job of an airline pilot than merely manipulating the stick.
I am not responsible for an aircraft and its occupants safety when home in bed dreaming of life beyond this developing circus of perceptions.