Toxic content leads to multiple contents has been copies and paste. This is very common problem when your content dominates all website content. Google has the advance technology that gives your content variable. This will give you the edge to demote and block the bulk spammers to your original made contents. Website without a backlink to your website are called piracy.
Use this link for complain to google search ranking. To complain the copied and paste content use this link url:
Click here: Complain to google