The bug bash quests can be found in the Windows Feedback Hub, and partaking in the bug bash often concludes with a badge in the Feedback Hub that acknowledges your participation.
Imagine doing free QA for a multibillion dollar corporation. I hate Microsoft so much.
No one is forcing you. Actually, you need to jump through many hoops to get into the program. And Microsoft tends to pay nice rewards to people who find critical issues.
Nobody’s being forced into it, you can just decide not to do it. There’s no risk or reward for doing so other than because you want to. There’s no power imbalance. It’s just users deciding they want to do it. It’s not exploitation, haha