An editor certainly may have a different political, ethical, or religious attitude than you. "So what", you may say; "there's freedom of speech, isn't there?"
Answer: Many editors may be very busy and rarely look at your poetry, and even then perhaps only do a quick read through. However, poetry, that has a strong message, may stir an editor the right or the wrong way, at least in your opinion. So if an editor is asked to review and edit a writing of yours, one or more words might get changed or omitted to soothe an editors conflict of opinion. People are human. (The skeleton, of a poem, could be the remains: choppy, without meaning, or with an altered meaning, possibly resulting in doctored free speech).
Yet at times, you may owe an editor a lot of thanks for saving you from the wolves. A very strong or offensive message may need to be diluted or deleted. An editor may do a better job than you, at whittling the master piece.
Above are mentioned pros and cons about editor appreciation. There is another method a self editing writer may prefer. Keeping all rights to a published poem, means you can delete a poem or re-edit it whenever you want.
You can publish your poetry, one poem at a time, at Yuwie and keep all rights, if you include for example . . . © August 23, 2009 by Quack Jack All rights reserved. (However, chances of making money there, is slim, unless you also do a considerable amount of member recruiting and socializing). Using their free website to refer people to articles on other websites like eHow, for example, is OK.
You can publish your poetry, one poem at a time, at Associated Content, categorized for display only, if you want to keep all rights to your writings.