I don't get why so many people that are never going to see at last half of the setlist performed (she is most likelly having 2 or 3, maybe 4 songs of this year a-nation released or broadcasted as usual) are complaining

I really doubt we are going to see greatful days or a song for xx performance...
And there isn't only Ayu's fans on a-nation anyway, she can't sing only songs that only fans remember that exist