"I like the Walrus best," said Alice, because he showed some sympathy for the oysters. Despite that, the Walrus ate more oysters than the Carpenter, cleverly hiding the number he took by using a handkerchief, as Tweedledee pointed out. Alice found this mean and preferred the Carpenter, although he also ate many oysters. Tweedledum agreed that the Carpenter ate as many as he could get."
This exchange highlights the unpleasant nature of both characters, making them difficult to like. Alice's observations reflect her moral judgment of their actions, illustrating how both characters are presented as somewhat unkind, despite their different ways of behaving.