No one who is a SEO pro interacts on there. I have seen unintended negative SEO a site got hacked and thousands of pages of spamy porn links added. I suspect

No one who is a SEO pro interacts on there. I have seen unintended negative SEO a site got hacked and thousands of pages of spamy porn links added. I suspect its harder these days but Google isn't perfect - they are only human and they make mistakes just as well all do sometimes.