I didn't rephrase that correctly. What I mean about harem ending is a lazy writing that most of them just ended up abruptly like "everyone is happy" at the last chapter featuring all of the character without proper conclusion (For example Yuragi Inn's Yuuna-san).
One of the case that actually...
Most of the "useless skill trope" takes time in middle age civilization. Their mind literally goes like this:
Not common > useless
Can't use for combat > useless
Tbh, yes I didn't like how expensive bus fare is. In my country, 100 km bus fare is about 5$ , where I can also commute by train with only 1$. The only difference is one I can sit and sleep soundly and the other I might have to stand entire time.