The reason was, well, already stated. It really is considered spam and lots of people hate it. You just ended up being one of the people to get reported / caught. Can't do nothing about it.
https://www.mpgh.net/forum/2-general/...ml#post7807517
https://www.mpgh.net/forum/2-general/...ml#post7807530
Just take the ban like a man, and learn from this. Good luck