"the walrus and the carpenter" part a: in text 1, carroll's poem, what central idea emerges from stanzas 16-17?

In stanzas 16-17 of The Walrus and the carpenter the central idea is that even if the Walrus feels bad for the oysters he decides to eat them all.

The Walrus and the carpenter is a poem by Lewis Carroll. This poem tells the story of a walrus and a carpenter who tricked some oysters to eat them. This poem has a defined metric and it includes 18 stanzas.

In these stanzas, the real intention of both the Walrus and the carpenter is revealed, for example, in the lines:

This idea is contrasted with the fact that Walrus feels bad for the oysters:

But despite this feeling, the Walrus and Carpenter eat all the oysters.

Learn more about stanzas in: link