Is Amazon the litter bin of literature and should those who wish to write a book, do so?

With so many people thinking they can write, are the self published authors creating a mass of badly produced books with no copy editing, badly designed book covers and no proofreading, damaging the reputation of those serious about investing in author success.

Just because KDP, Amazon Publishing and Ingram Spark make self-publishing possible, should people who want to write publish a book?