In each of these cases, you could start by indicating agreement.
"I need reports of X, Y, and Z."
"Sure, what's the context?"
"I really like hunting"
"Nice, what do you like about it?"
This establishes that you're aligned with their needs/interests, but are interested in further information.
Even in a case where ...
Your question is about the same problem, but in to different environments. I'll then separate them as they'll ask for different approach. In both cases, as it stands, a single "why" is very aggressive. No wonder why people jump out of their way, as "why" questions often lead to an unproductive or hostile response. People don't like to ...
The most useful way I found to do this is by using more words. Instead of asking just a single-worded "why", I try to include some of the context, some of my reason for asking, in the question. Basically, ask yourself why you're asking "why" first.
So, in case of people telling me about e.g. liking a certain hobby, instead of asking them &...