I am most definitely not ruling out what you're saying may be common case and I am just very lucky, but I do want to act as a sort of counter point to see if others can weigh in so we can get more of an industry sense around this
Hell, even when in jobs, asking questions about projects I'm assigned has sometimes got a negative response...
If the prompt is unclear its worth getting clarity, just like if something is unclear in the job you seek clarity, I feel like people not asking questions would be a big red flag.
of course, asking too many (this is subjective but I think we can all think of a reasonable situation where there were too many questions being asked relative to their value) could be a red flag
There are a distressing number of managers / leads I have encountered who consider that if you're asking for clarity, you're impugning their powers of explanation because CLEARLY they explained it well enough (after all, they understand it!) and you're either an idiot or being sarcastic to undermine them.
By mentioning a few ways you'd show you're aware of various solutions, and you'd also provide context for why you're asking probing questions.
Then again, I haven't interviewed in quite a while (love my current job) so...
Sure but taking that as "the asker is an idiot" rather than "I may not have explained this well" is all too common (I know I've been guilty of this more than a handful of times.)
> Would it help if one prefaced with something like [...]
I think if you're having to carefully phrase your (reasonable, obvs.) questions in order to avoid upsetting the interviewer, that's a bit of a red flag, no?
Why would you only want cookie-cutter "correct" answers to your questions? That doesn't tell you shit about the candidate?
I can't read your mind, and that goes both for interview questions and determining product needs.