In lines 26-27 ("displaces nest"), the metaphor of "endangered hatchlings" suggests that "like"

Threatens to eliminate more sophisticated language.

Explanation:

Metaphors are the figures of speech in which a word or a phrase is applied to an object or to an action which to which it is not literally applicable. A comparison is done with the use of metaphor in which there is direct comparison of one thing with the other.

In this case also, the metaphor used endangered hatchlings is used to make a comparison with the sophisticated language which is nowhere related to the word itself.

In lines 26-27 ("Displaces ...  nest"), the metaphor of "endangered hatchlings" suggests that "Like":

Threatens to eliminate more sophisticated language.

"Displaces other words: crowds, cuckoo-like,

Endangered hatchlings from the nest. (Click "like"

..."

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