KEY-IN Source input

Hello guys, can someone explain to me why the "KEY-IN Input Source" is not copied when:
a-when you save the library of compressors and gates
b-when you save the library of the channel
c-when the channel is paired with another
d-when you copy the "channel" and paste it into another
The same thing happens for ST and Pan, if I remember correctly
After all the firmware updates that have been made there is still a bug?
Add another question, why can not the analog inputs in the insert return?
I hope that someone "yamaha pro audio" read this topic.
thanks