But that person was randomly selected among subscribers. And it’s not “need” in the sense that it doesn’t look like he’d suffer serious consequences from reject

But that person was randomly selected among subscribers. And it’s not “need” in the sense that it doesn’t look like he’d suffer serious consequences from rejecting the challenge. It’s not like “if I reject this job I’ll be homeless”. The issue with your line of thought is that it leads to concluding that most jobs are unethical.