I dunno. The effort needed to ensure you have backups is tiny compared to the work done to create the product. And to pull a backup before deleting stuff in pro

I dunno. The effort needed to ensure you have backups is tiny compared to the work done to create the product. And to pull a backup before deleting stuff in production only needs a smidgen of experience. They were extremely lucky. Imagine what the boss would have said if they hadn't managed to recover the data.