Here's why:
* Abstract Nature: Poetry is an abstract art form, a way of expressing thoughts and feelings through language. It's not a tangible object like a book or a poem.
* Indivisible: You can't count "poems" individually when talking about poetry in general. The term encompasses the entirety of the art form, including all its various types, styles, and forms.
* Usage: We use "poetry" as a singular noun and don't typically use plural forms like "poetries."
For example:
* Correct: I love reading poetry.
* Incorrect: I love reading poetries.
Instead of counting individual poems, we might talk about volumes of poetry, collections of poetry, or different types of poetry.
While we can count individual poems, "poetry" itself remains a noncount noun due to its abstract and encompassing nature.