Life makes writing poetry necessary to prove I really was paying attention.
It's very hard to write humor.
Poetry is something that happens in universities, in creative writing programs or in English departments.
A great many people seem to think writing poetry is worthwhile, even though it pays next to nothing and is not as widely read as it should be.
There's a certain point, when you're writing autobiographical stuff, where you don't want to misrepresent yourself. It would be dishonest.
The number of people writing poems is vast, and their reasons for doing so are many, that much can be surmised from the stacks of submissions.