And you can take advantage of their network effects by implementing a POSSE system. Publish on your own site, syndicate elsewhere. That way, your website is the source of truth and the other places are like museums you curate to.
Why should you go thru the trouble? Because these social networks own your content and your audience and won't hesitate a second to drop you if they deem fit.
Why should you go thru the trouble? Because these social networks own your content and your audience and won't hesitate a second to drop you if they deem fit.