Not you, the other guy who quoted your signature was an advertisement robot...
The advert was in that guy's signature. As the robots have limited to no AI, they rely on copying what other people write in an attempt to sound on topic. In this case it failed because it thought your signature was part of the post content.
The advert was in that guy's signature. As the robots have limited to no AI, they rely on copying what other people write in an attempt to sound on topic. In this case it failed because it thought your signature was part of the post content.