You’re not missing anything, but apparently it works for them. I suppose if it were more widespread then there’d be more incentive to automate scraping entire b

You’re not missing anything, but apparently it works for them. I suppose if it were more widespread then there’d be more incentive to automate scraping entire books. They also sell their eBooks as normal PDFs (no DRM). I assume it’s a healthy combination of making high quality technical publications easy to acquire at a reasonable price. Similar to how digital movie and music piracy finally died down when that media became reasonably easy to acquire legally.