Regards this question in particular but I doubt it is the only one showing this, or a similar, tendency/happening
Looking at comments on the question as well as on answers the question seems to be asking 'too much', yet none of the complainers voted to close it so it must be well-formed.
Because NASA spends millions on engineers to do this, and you want it for free? – Justin Thyme
Reduce your expectations. – Justin Thyme
These comments are preceded by the person writing a huge amount of comments containing lots of detail. Enough so I thought it prudent to ask them if they didn't want to put all that work into an answer instead of comments so they could get rep for their work. Instead they seem to have flipped at that and got angry, I chose not to respond anymore (also tried to move that escalation to the chat just in case).
@dot_Sp0T You want hard numbers on prospective technologies? I've given you the links to the wiki articles; they have links to various papers. The rest of it depends on what decisions you make about how your world works. I won't write your book for you. – Sherwood Botsford
This one is a reaction to me, obligatorily, pointing out in a comment (on all answers I had gotten at that point btw), that I added the hard-science tag to the question.
I added this tag after discussing in the chat on how to point out better that I wanted actual comparable numbers instead of vague ideas. The hard-science tag was a formal addition considering that the requirement for hard numbers was in the question from the very beginning; I just did not want to, what I felt at the time, force people to have to link papers and such if they didn't feel like it. Getting numbers would be just fine without scientific references I thought.
Do I really ask too much or are these 'complainers' just bringing in personal feelings / venting / something similar?