Thanks for the opinion and your appreciation of the idea. I think you are partially right in the category of the community.
But have you checked the author's guidelines post remarking the genre of posts accepted here?

Apart from fictional writing and poems, there are also creative writing and essay that supports any type of creative prose or essays.

Freewrite is not excluded of the essay category. I add tag of it also as per guidelines.

Thanks for the fact check and your appreciation.