As in:

Twins fans have a knack for fretting over a whit, and this won’t relent anytime soon.

a whit OED

Without negative: a whit : to a very small extent, a very little. Any whit, and one whit: to the least amount; in the least degree; at all. every (each), whit: completely, altogether, thoroughly, quite (in later use almost always with as in comparisons of equality).

What is your opinion on some of the best books and blogs on these topics?

With no root or other words, the trifle, (n.e., trifle is pronounced as trifle). A thing that has little importance.

Or trivial, inconsequential,.. Or?

For a slightly different tone, how about fretting over ephemera?

According to the Weber, ephemera is derived from the Greek words epi (for) and hemera (the day). In Japan, the word “short-lived” literally means “insignificant” and/or “heavy”.

Minutae means “small in space”. Ephemera means “small in time”.

Depending on the subject of the fretting, and whether you’re trying to be serious or ironic, either might be a usable choice.

Minutiae fits your sentence. What is https://www.merriamwebster.com? It is

a plural noun. “A

minute or minor detail —usually used in plural He was bewildered by the contract’s minutiae. ”

” “How should I be treated”