Don't report it, EA doesn't care since it's all their content anyway and the more uploads they have, the more popular they seem. The only result of that is that you no longer can see the creation (they just hide reported content from the reporter).
Also, the person did tag you, while not exactly credit, at least they did that...
When people reupload my work, it's usually an entire lot and they change the name, the description and all the hashtags, making it near impossible to find for me ... I just learned to comment on a reuploaded lot I do bump into with a remark similar to this:
"This is a reupload/redecoration/rework of my build, please check out my gallery if you want to see more builds like this! :)" You can make it a compliment or just a remark, doesn't really matter. At least that way people know you were the one with the original idea and if they like to find similar stuff, they'd better come find it where it's actually created, no? :)
