That's not what happens. It takes more time for a civil engineer to read through the myriad of blog posts and HN comments to find out this information than it would be to carry out this sort of basic analysis in the first place.
In your cost/benefit estimation, what is the contribution of this HN discussion to that project?
In your cost/benefit estimation, is there anything which touches on the topic but which is not a "treasure" and in fact is a net-negative?
In your cost/benefit estimation, what is the contribution of this HN discussion to that project?
In your cost/benefit estimation, is there anything which touches on the topic but which is not a "treasure" and in fact is a net-negative?