Hi
You thread was moved to advertising, because that's what it was.
By posting a link to a site which you own and will benefit from users going there, then it's promotional in nature.
By example; Duke always posts news about DNJournal in the "Advertising" section. Even though his site contains "news" articles relating to the domain industry.
Also, you had posted info about your site in more than one area of the forum.
Seems it's better to have it moved, than deleted, which would have been justified considering the area you posted the thread in.
Thanks