Still simple. So that the moderator could understand if you are deceiving him and a scheme was invented that people would send a report to the branch every week. This makes it easier to count your earned tokens for bounty. If you do not want to take the report, there are platforms for bounty, where you can report in one window. The most famous is 1. https://bountyhive.io and 2. This is http://bountyhunter.club/reg24359. There it is easy to take reports. But all the top bounties still go through this form, so you'll have to learn how to use it if you want to earn more on bounty programs