This search includes all content on the Scottish Parliament website, except for Votes and Motions. All Official Reports (what has been said in Parliament) and Questions and Answers are available from 1999. You can refine your search by adding and removing filters.
The problem with the existing approach is that people may not want to oppose the business motion but may have legitimate questions on a particular topic.
Frankly, it would be impossible to do what the petition calls for. That may well be the case and I may agree with you, but we do not need to take a view on it now.