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Probeably a bot ;)

Lool... A bot did that to him or he always copies his comment and post on peoples blog and was flagged cause they mistake him for a bot

The last one.

Sometimes both

Right - manual copy & past "bot" :D

I love your question and your comment

 7 years ago (edited) 

When someone with a higher reputation downvoted you, it can ruin your score. Be careful