I don't know about copyright laws and I am not saying copyright is unimportant but from your post, I don't think your site got hurt in anyway. Aside from giving

I don't know about copyright laws and I am not saying copyright is unimportant but from your post, I don't think your site got hurt in anyway. Aside from giving your competitors' a free lunch, why do you care? Especially if your site is the first one when people search for the title or keywords of your article. If you are still #1 on google search and did not have a drop in the # of visits, you might as well thank the competitors. Otherwise, I agree it's unfair.