They probably don't want hostile/parasitic services profiting off their content for free, even though that seems to be the business plan of every other startup.

They probably don't want hostile/parasitic services profiting off their content for free, even though that seems to be the business plan of every other startup. If Genius wants to act in good faith they should let people opt-out of annotations on their sites / pages. Also, it's just another walled garden for content from a company with past ethically questionable business practices.