>>51643225>>51643232Sometimes they get thumbs in scenes where it's completely unnecessary, so it's not just a matter of cheating out of drawing canon anatomy for convenience. That hair pulling scene really didn't need thumbs either. They could have just drawn her using all three fingers in parallel, like they usually do with her stick.
>>51643264Because it's a common thing that's done with cartoon characters.
>>51643265The game models take after their default look for the sake of recognizability.