It’s a long way from got lazy to didn’t write their own Internet scraper to scan for books, author’s age and opinions.
replythat depends how much more quickly and efficiently you can do the extra work in step 2 than in step 1.
replyIn this case it’s strictly less efficient.
replyYou can only correct for missing entries by doing the same work you’d need to start from scratch. But after that you now have a second list to consider.