I guess there is no need for Donaire to do some cherry picking in the said division because I bet he can manage just fine even the champions in that division, he chose to fight in super-flyweight next so that means that he is confident enough that he can defeat those guys. He really knew that he cannot defeat the current Inoue now, so much better to do some cleaning in the lower weight class for now.
I just hope that he have learned the lesson that being overconfident is also dangerous. But yes, despite that he's aware of who can he beat and win.
It's better for him to have that emotion set at the normal setting so that it won't overwhelm him when he's on another match whether it will be from a lower division fighter or of the same.
Who? Donaire? I don't really think that he have that kind of attitude where goes being overconfident to his foe because of his capabilities, we know Donaire's attitude towards Inoue though but none of it shouts that he's overconfident.
Even us didn't really expected that Inoue will evolve that much because we think that they will still have a long 12-round fight where there will be a long blow-by-blow punches all the way to the 12th round. But Inoue finished Donaire in just 2 rounds with a stoppage.
I had never seen Donaire being overconfident. As far as I know, he trained really hard in every fight. He even keeps on training even without scheduled fights just to keep his shape. The one thing I know is that Donaire has a tendency to fall in love with the idea of one punch KO. So instead of delivering combinations he opt to do a one punch KO strategy.