I think you are missing the point, life was different back then and the Gemra , Torah medrashing etc are not history books, you might discover something that the ancients might have not even thought was a big deal, but would be a big deal today
Here is another example. Raw sewage was a problem until the advent of modern plumbing, except for a short time when the romans had some sort of sewage system. Ancients were probably used to the smell and the sight of it that it was no big deal and there was likely some raw sewage not far from the Beis Hamigdosh. To the ancients it was not big deal, but you would likely notice it and it might change your view on things
Its not Hasghcha pratis, its just a fact that not everything was written down and some things maybe not so positive would cloud your view if you ever found them out