Read the Docs reports an increase in abusive site crawling by AI products, causing issues such as excessive bandwidth costs. The company details how one AI crawler's bug resulted in 73 TB of downloads, amounting to over $5,000 in fees, and another instance where Facebook's content downloader used 10 TB of data. Read the Docs is taking measures to address abuse, including blocking identified AI Crawler traffic, enhancing rate limiting, and CDN caching improvements.