@DBActiveAll the rules have a logical reason and benign origin.
You have to agree that that they can do whatever they like with your material, use it on any site they deem, edit it however they want to, and you don't get much say about it
Format the text: Many authors insist on controlling every minutiae of their works. I put that rule in when a couple of authors insisted that I keep their fonts, font sizes, colours etc... That wouldn't work with an engine like SOL's.
Edit the text: Many authors submit terrible text, sometime we reject it, and sometime we fix it.
Post to any site: We have many sites, for example Scifistories, so if somebody submits a scifi story to SOL, this rule allows us to post it to Scifistories.com too.
As for the rule about the changes to the rules, it only makes sense since the world around us changes. Laws change, and technologies change, our agreement needs to allow for changes otherwise at some point we would need to close up shop because we can abide by some new law without getting every author's agreement first. Notice rule #7?