Because the incentive to an author of free software is to make her package the best, so releasing inadequately tested software will do the author's personal reputation no good at all.
Inadequately tested software is the most common error in business.
mnli hypothesis: Inadequately tested software is the most common error in business. premise: Because the incentive to an author of free software is to make her package the best, so releasing inadequately tested software will do the author's personal reputation no good at all.