It's likely that #ai generated content will litter the web and make search engines increasingly useless to navigate a sea of SEO-optimized garbage. In fact, it's already happening.
http://www.downes.ca/cgi-bin/page.cgi?post=76174
So what's the answer? There needs to be a revival of human-powered #curation (remember #socialbookmarking ?) where each of us hand-picks and shares valuable links, and each of us follows only those we trust to do the same.