My two cents: I think we should focus on having people create a proper minimum reproducible example. That’s by far the most important IMO. I think this post covers it quite well already.
I actually think a long post, including all sorts of details that may or may not be relevant to the problem, can deter people from responding. And personally, I find forums that require me to submit all kinds of system details and logs before even looking at my question (when I know it’s irrelevant) quite frustrating.
As for “Julia is slow” questions, I rarely find that they’re stated in absolute terms, rather they tend to be compared to another implementation on the same system, in which case details such as CPU speed and RAM are often not relevant.
Here’s an example of a “Julia is slow” question which I think is fully sufficient.