You used a photo without attribution or permission in order to push your own content. Just because you found something doesn't mean you can use it. The author

You used a photo without attribution or permission in order to push your own content. Just because you found something doesn't mean you can use it. The author of this post works for http://www.contentfac.com/ http://www.contentfac.com/, a digital PR/branding firm. How did they not know this? If I took a logo they made and used it for my own company, I'd expect them to have the exact same reaction.