Like, who has the authority to say “thou shalt not try things that might fail”? As long as you’re not conning anybody out of resources, your failure doesn’t pick anybody else’s pocket.
What about altruistic reasons for asking? If my friend is planning to quit their job and become a famous musician I would probably attempt strongly to dissuade them, even if it wouldn’t directly affect me.
If however I thought they were likely to succeed (e.g. have made money selling music on bandcamp and performing, in talks with a record company, etc.) I probably wouldn’t dissuade them.
How would you differentiate this from someone just asking for additional evidence because they think you’ve made a false statement? E.g. If Alice tells Bob the earth is flat, its reasonable for him to ask for additional evidence, and doing so doesn’t imply he’s playing status games. But could equally reasonably be replied to by saying that Bob is only disagreeing because he thinks Alice isn’t high status enough to make cosmological claims.