Sam Glucksberg - Understanding Figurative Language

The speaker, a retired professor from Princeton, discusses his extensive work on figurative language. He argues that figurative language is as easy to understand as literal language, challenging the notion that literal language is the default. Using examples, he illustrates how people infer meaning from figurative expressions and highlights the prevalence of miscommunication.

Why does the speaker believe figurative language is not more difficult to understand than literal language?

What is the speaker's perspective on miscommunication?