I'd also add to your feedback by saying that there isn't a "Simple" way to integrate it into existing CMS's or even static sites, a plugins for the top 3 CMS's

I'd also add to your feedback by saying that there isn't a "Simple" way to integrate it into existing CMS's or even static sites, a plugins for the top 3 CMS's would be nice + an "imgbot" equivalent for static sites.