I disagree with those that are saying "once you upload, it's not your property anymore" or "it's Maxis's property". No. The simmer who created the sim/room/lot built that and uploaded it from their account. It's EA/Maxis's game, yes, but the creation still belongs and is credited to the individual that created it. I understand you could still view it as ownership by the developers of the game, technically, but I doubt that's how EA/Maxis looks at.
As for using for safety, you can save a lot to your gallery but not share it. I personally don't think you should reshare something that you have uploaded for safekeeping, and instead, just save it to your library. It does say who the original creator was (at least in my experience when I have downloaded Sims, played them through and are saving the progressed household to my library) but ultimately, there won't be anyway to stop people from reuploading regardless of the reason. However, to say it's not the creator's content anymore is a really Big Brother way to look at it. We aren't owned by Maxis and neither are our creations. There is a difference to something being uploaded or shared through a system by a creator and complete ownership of something simply because you own the system. I'm sure those over at MTS don't claim they own all mods created and shared through their site, they simply host them. Apple doesn't have full ownership of the apps hosted on the app store, they still belong to the creator. Since this is a game that has a huge emphasis on creativity and encouraging creation sharing, looking at it like it the work no longer belongs to you is a negative way of seeing the situation.
